Because you like Sideshow Bob in The Simpsons
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.
Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.
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.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.