Because you like Kaworu Nagisa in Neon Genesis Evangelion
Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.
Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.
Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.
Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.
A grumpy tourist trap owner, Grunkle Stan has a few deep secrets. See them in Gravity Falls.
Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.
The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
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.
There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.
A fight every now and then makes Dante's life a little more interesting. See them in Devil May Cry.