Because you like Mega Man in Mega Man
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
A ruthless militant, Raza will do anything to take down Tony Stark. See them in Marvel Cinematic Universe.
The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.
Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.
Blade has all the cool vampire powers with none of the weaknesses. Definitely not a guy to pick a fight with. See them in Blade.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.
Not only could Hellboy avenge your death, he'd also have a sense of humor about it and not let it ruin the rest of his night. See them in Hellboy.
Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.
An opportunistic fugitive-turned-bounty-hunter, Faye Valentine uses both grit and her good looks to get ahead. See them in Cowboy Bebop.
A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.