Because you like All Might in My Hero Academia
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.
Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.
You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.
The cutest kitty this side of the galaxy, Nepeta Leijon is mischievous, caring, and obsessed with romance. See them in Homestuck.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.