Because you like Mega Man in Mega Man
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.
Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
Clementine is a beacon of innocence in a dangerous, deadly world. See them in The Walking Dead (Video Game).
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.
An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.
A no-nonsense hitman with a taste for good burgers and divine justice, Jules Winnfield will go to great lengths to please his boss. See them in Pulp Fiction.
Spike Spiegel is a bounty-hunter with a laidback style and lightning-quick moves. See them in Cowboy Bebop.
With her consciousness so easily shifted between bodies, Motoko Kusanagi is left unsure of who or what she really is. See them in Ghost in the Shell.
Scott Pilgrim's superhero suit is just a video game t-shirt and sweatbands. But this slacker is brave enough to fight all his girlfriend's evil exes. See them in Scott Pilgrim vs. the World.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.