Commissioned by HyperDragoonHx on dA of his Charizard Drakaiser who's rubbing the belly of Ryugen from M.U.G.E.N. (if he originates somewhere else so would I like to know) who just have devoured an opponent.

Drakaiser belongs to HyperDragoonHx
Charizard (c) Nintendo, Game Freak, and the Pokémon Company
Ryugen belongs to whoever owns the rights to him.