Alucard(Hellsing)

Alucard is the main protagonist of the manga/anime: Hellsing. He first fought Image Comics’s Spawn and later fought Jojo’s Bizarre Adventure’s antagonist: DIO Brando.

Trivia

 * Alucard is the seventh combatant to appear more than once, the first six being Sasuke Uchiha, Master Chief, Killua Zoldyck, Amy Rose, Sakura Haruno, and Wolverine and the next three being Ryu, Liu Kang, and Mega Man.
 * Alucard is the third returning combatant to have both won and lose, the first two being Master Chief and Sasuke Uchiha.
 * Alucard is the second DBX combatant to have lost first and then won, the first being Sasuke Uchiha.