Because you like Cookie Monster in Sesame Street

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .

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.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.