Samurai Jack! Man, it is good to see you, babe. What took you so long? I decimated this village days ago, just for you. Oh wait, this is you, right? I mean who could recognize you with all that gear, and ruggedness, baby? I'll tell you who: Me! Be-bee-ba-boo-bo-da... Scaramouche the Merciless! The Pied-Piper of Ruination, the Crooner of Carnage, the Ambassador of Annihilation, the Eradicator of All, baby! Also known as... Aku's most favorite assassin, babe.
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~ Scaramouche introducing himself
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Oh, there it is, babe. The world famous scowl. Well, come on, Sammy baby, whip it out! You know what I'm talking about. That crazy sword of yours. Let's get slicin' and dicin', hackin' and slashin', swingin' and bashin', babe!
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You might have destroyed my magic flute, but you cannot destroy the musical magic that is me, babe!
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~ Scaramouche after having his flute destroyed
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Dig that beautiful sound, baby!
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Hey babe, I told you, I'm Aku's favorite. No one plays the blades like I do. NO ONE!
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Well it's been fun, Jacko, but I've got to move on. Au revoir. That's French for, you're dead babe!
Name: Scaramouche the Merciless, The Pied-Piper of Ruination, the Crooner of Carnage, the Ambassador of Annihilation, the Eradicator of All, Aku's most favorite assassin
Fool! Nothing of this world can harm me. For I am Aku, the Shogun of Sorrow, the Deliverer of Darkness, your new master. And you will bow to me.
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~ Aku to The Emperor
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He is stronger than I remember. But no matter. For you see, little Samurai, the world is mine! My eyes and ears are everywhere, nothing you do will go unseen! Quest as you may, but we will meet again when I see fit, in a time and place of my choosing! And it is I who shall put an end to the war started in that age long past, Samurai Jack! Bwa-ha-ha-ha!
Here, things you know, or think you know, may not be what they seem and I control your fate. And the only hope of escape is through your death. HAHAHAHAH!
Long ago in a distant land, I, Aku, the Shapeshifting Master of Darkness, unleashed an unspeakable evil. But a foolish samurai warrior wielding a magic sword stepped forth to oppose me. Before the final blow was struck, I tore open a portal in time, and flung him into the future where my evil is law. Now the fool seeks to return to the past and undo the future that is Aku.
Range:Extended Melee physically and with a sword, Hundreds of Meters with Elasticity, Vision Beams, and most his abilities, Complex Universal with Time Travel, Cross-Universal with Pocket Reality Manipulation
Intelligence: At least Genius (Aku is billions of years old thus making him this smart via age alone. Aku has also tricked multiple scientists and civilizations into trusting him with him even being able to trick Samurai Jack)
Near-Immortality: As a supernatural being, Aku was ageless and nearly immortal. He required no sustenance and was not harmed by mortal means. Only the power of righteous spirits or divine weapons like Jack's Sword, or divine entities, were capable of doing severe harm to him
Shape-shifting: Aku could change into virtually any form that he desired, from a giant dragon to a small insect, or even a beautiful woman. Aku was able to seamlessly change his size, liquefy himself, or stretch and expand his body. He could even replicate into clones of himself to be in numerous places at once and his mind inhabited numerous bodies. At one point, Aku even manifested a second version of himself who acted as a psychologist. In a way, Aku performed talk-therapy on himself. He typically changed into animal forms during battle, such as a scorpion or an octopus and adapted to the situation. On one occasion, Aku also transformed into a huge, amorphous mass of darkness that greatly resembled the evil entity that he had previously once been/was spawned from and altered parts of himself at will.
Supernatural Physical Abilities: Aku could alter his physical capabilities to virtually any level that he needed or wanted due to his magical shape-shifting abilities. Aku manifested superhuman strength, speed, endurance, and senses. No parameters or upper limits were established that regarded those capabilities.
Regeneration: While Aku was completely resistant to most forms of attack, he was not invulnerable; items such as Jack's Sword or magic such as divine energy could damage the substance from which he was made of. However, Aku was able to regenerate to a large degree, even against attacks such as those. These sort of assaults tended to create large, burning holes or gashes in Aku wherever he was struck, which he could close back up with effort. However, his ability to regenerate in those situations was limited. In many of Aku's confrontations with Jack, the damage that was caused by the sword whittled away at his overall mass and his ability to regenerate in the short term, until it tended to leave him as a very small animal of some sort, such as a frog or a mouse, at which point further attacks would have presumably either sealed him away as Jack's father did, or killed him as Jack intended to. Given time however, Aku always restored himself without being any worse for wear. Aku was also observed to succumb to physical pain that involved blunt trauma of equal mass in relevance to the size of his form at any given time, although he was shown to quickly recover from such injuries.
Dark Magic: Aku was an all-powerful wizard who had vast supernatural powers at his command
Eye Beams: One of Aku's most commonly utilized attacks, that ability tended to manifest as beams of white or red light that typically incinerated the objects that it made contact with. It could be used either as continuous beams of light, or as staccato bolts of energy. Aku had used that ability in numerous battles with Jack, and also used it to destroy the majority of Jack's past kingdom. Aku could also harmlessly teleport beings to places of his choosing through that power. The beams could also slice through objects like a plasma torch, or caused them to explode.
Aku also used a variation of that ability to restore or recreate whatever he chose: he restored Scaramouche's body with them.
Remote Viewing: Using mystical forces in his lair, Aku could create images on the walls in order to view whatever he wished. Aku tended to use that ability to simply watch Jack travel while he stewed in his unhappiness at being unable to kill Jack.
Teleportation: Aku used that often for quick appearances or escapes, and to appear before those that he had business with, such as the Imakandi.
Elemental Control: Aku could magically project and control the elements of the physical world. Those abilities included breathing and projecting streams of fire from his body, manipulating the earth itself, conjuring thunderstorms at will, or emitting waves of sonic force. By combining fire breath with his eye beams, Aku could also project beams of electricity.
Telekinesis: Aku was shown the ability to manipulate objects through focus alone, even from far away distances. While he used that ability, Aku's eyes tended to flash white.
Necromancy: Aku was shown to be capable of animating countless dead bodies and bending them to his commanding will.
Precognitive Dreams: On one occasion, Aku was shown to be capable of receiving premonitions of his own future through his dreams, which he could then act upon to try and prevent or change them.
Possession & Infection: Aku could use small portions of himself to infect others with his evil. The only time that this was seen was when he incidentally spat up a tiny portion of himself at Jack, which, over the course of a day or so, possessed Jack and gave him the appearance and personality of Aku. On a related note, Aku could also use portions of himself to give power to machinery, as he demonstrated by doing so with the Ultra-Robots. That ability could also work on Aku's biological offspring, since they already had his essence and were a part of him.
Interstellar Travel: Aku was capable of interstellar travel, well beyond the speed of light.
Time Travel: That was the very ability that Aku had used that sent Jack into the future at the beginning of the series, though he only used that once and it was a one way portal forward in time. However, due to its side-effect, Jack did not age even after 50 years in the future.
Object Materialization: The ability to create matter and materials out of nothing: Aku once used that ability to conjure treasures in the presence of the Imakandi. Aku also used his eye beams and created a new body for Scaramouche.
Corruption: One of Aku's most powerful abilities. Using dark magic, Aku could mutate normally harmless beings into monstrous versions of themselves. During his last known encounter with Jack, Aku used that ability and transformed three small rams into monsters in order to fight Jack. It was also shown that if the corrupted creature died, the spell was broken and the creature transformed back to its original form. Aku also used that power to curse the Well of King Ozric and then later corrupted Jack through his supposed illness. Aku was also able to infuse that power into techno music to corrupt teenagers in "Jack and the Rave". This power extended to the fact that Aku could create life in a way, as shown when he gave the High Priestess a sample of his essence that was originally intended in the use of worship to presumably conceive the Daughters of Aku, as well as enabled him to control or corrupt any and all of his offspring into his likeness, who were complete with supernatural powers.
Combat Skills: Despite never having been shown to have trained at all in any form of Martial Arts, Aku was a very skilled practitioner in hand-to-hand combat. Though not a match for Jack, Aku was at least capable of defending himself reasonably well against Jack during their duel, while he limited himself to human physicality. Aku was also shown to be a fairly skilled swordsman: In Episode XXX: Jack and the Zombies, Aku stole Jack's Sword and was able to force Jack (who was armed with a sword and a shield) into a defensive posture during a bout of swordplay. However, it should be noted that on that occasion, Aku was not limited in the scope of the powers that he could employ.
Other
Standard Tactics: Wildcard. As shown in Samurai Jack: Battle Through Time, Aku would send someone to a pocket in space and time that Aku has full control over, in which they would be forced to relive past events. He also uses his beams in combat which can vaporize his opponent. Aku has also used such stuff as fighting physically, mind control, or social influencing. As a last attempt, Aku would send someone into the future.
Weaknesses: Aku is weak to any weapons that were made to counter him by the gods. Is very sadistic and often makes choices that backfire on him.
