Splash the Greninja

Splash has the appearance of a normal Greninja with one difference: he has a long scar stretching across his face. He is the leader of the Megastone Rogues, the mate of Sasha and brother-in-law of Slick, and the father of Riptide and Laker.

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Personality: Splash is usually silent, normally saying only what is needful. He is quite snarky sometimes, and a well-respected leader. He is quite calm, but if his family or friends are threatened, he can become easily enraged. He is sometimes sarcastic, stubborn, and mostly keeps to himself.

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Abilities: Like all Water-Type Pokemon, Splash has a mastery over water. Having extensive training, he is like an actual ninja, being very stealthy and sneaky. He can easily sneak up on and beat an enemy before they know what hit them. Splash is also capable of Slug Fu(SlugTerra), his skills surpassing even those of Junjie(SlugTerra). His current moveset consists of Water Shuriken, Quick Attack, Cut, and Hydro Pump, and he has the Ability Torrent.

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History(Ninjago): Splash is first seen in "Only One Can Remain", meditating quietly while balancing one one foot on a thin pole, despite the Master of Speed, Griffin Turner, constantly pestering him. When Lloyd asks who is he is, Garmadon says he doesn't know, but that it's best to leave him in peace. Splash says that he knows that they're talking about him, and when Jay asks how, Splash ends his meditation and hops down to join them, remarking "One is not immune to the outside world, even when secluded in thought." He introduces himself. Later, he successfully stays in the competition. Splash later returns for Season 5, aiding in the fight against the Preeminent towards the end of Curse World, Part 2. He may appear in Season 6

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History(SlugTerra): Splash first appears at the end of the SlugMovie "Return of the Elementals". He is seen sitting in a tree in the Jungle Cavern, watching the Shane Gang intently. All he says is "Interesting." He appears in "Slug Fu Showdown"(remember, this is fandom), mostly in the background, watching the Shane Gang intently. He finally makes a full appearance, first saving the Elementals-one at a time-then Eli and Junjie, all while remaining in shadow. When Eli presses him to reveal himself, Splash steps out, and introduces himself. Jung realizes that he knows Slug Fu, and Splash asks if he knew it. Junjie confirms this, and Splash remarks-half to himself-that he thought he was the only one. After Spirex is beaten and SlugTerra saved, Splash joins the team.

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History(Sonic Series): Splash appears in Sonic Boom(TV show), in "Buster", when Splash helps Team Sonic defeat Sticks' robot dog Buster when it eats a robot bone given to it by Eggman, who reveals that he created Buster. He slashes Monstrous Buster's robo-tentacles with the help of Water Shuriken. Later, he appears in a story all his own as a full-time traveler when he comes across the Gogobas. He asks if a lone traveler(himself) can have food and a quiet place for contemplation. He's given food, and settles in a quiet clearing with a gently murmuring river, where he meditates. When he senses the Gogobas coming in to watch him, he says without moving that a quiet place for contemplation means exactly that. The Gogoba chief says that he looks like too nice a guy to be left alone. Later, Splash leaves, and soon realizes the Gogobas are following him. He practically snarls that he had enough troubles as is without an entourage stalking him. Once again, the Gogoba chief says "Oh, but you seem like too nice a guy to be left alone." Splash snarls at them to leave him alone, and leaps away, too fast to follow.

In the Legends of the Megastone Rogues series:

Tai's Travels, Pt 1: Splash appears towards the end, as Nya and Nero's youngest son. He is captured when the Outsiders lead a successful raid on the Megastone Rouges. When Tai agrees to Nero's deal, Splash and Clamshell are kept by the Outsiders.

Tai's Travels, Pt 2: Splash plays a larger role here, as he escapes from the Outsiders, later joining the Megastone Rouges before his mother comes. Nero deems Splash weak for returning to Tai, but Splash is adamant, choosing to remain with the Rogues. He later evolved in Brutal Fight, after his mother is killed.

Zorro's Tale: Splash only appears once, when Grunt explains how Splash got the scar he has on his face.

Nero's Vengeance: Splash's role here is largely the same as in both parts of Tai's Travels, as he is kidnapped in Ambush and Theft, and kept until he escapes in Splash Escapes. In Brutal Fight, he evolves the same way he did in Tai's Travels, Pt. 2.

In The Legend of Fox the Brave:

Land of Nightmares: In Saved by Fire, Splash first appears when he is riding Tai, who saved Fox and Pyro. Splash is later seen embracing Nya, his mother. He does not speak in this story.

Dawn of the Alliance: Splash is a minor character in this story detailing how the Storming Alliance came to be.

World of Shadows: Splash gets trapped in Dark Mobius with Fox and must escape. He frequently battles Enerjak and his Prelates, and later Fuses with Fox the Brave to create Fusion Fox

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Trivia:

Splash was originally a rogue, but has since rejoined the Megastone Rogues, becoming second-in-command, and later leader after Tai's death.

Despite being hot-tempered himself, Splash has a great respect for Fox the Brave, leading to him keeping strong the alliance between the Storm Fighters and the Megastone Rogues.