Because you like Stan Marsh in South Park

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.

Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.

Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

The cutest kitty this side of the galaxy, Nepeta Leijon is mischievous, caring, and obsessed with romance. See them in Homestuck.

Eric Forman's interests include smoking weed, collecting Luke Skywalker memorabilia, eating Fatso burgers, and making his dad mad. See them in That '70s Show.

Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.

When his friend goes missing, Lucas Sinclair is ready to fight. All of the Dungeons and Dragons is really paying off. See them in Stranger Things.

A grumpy tourist trap owner, Grunkle Stan has a few deep secrets. See them in Gravity Falls.

Johannes Betzler is an overwhelmed little boy caught up in deeply confusing times. See them in Jojo Rabbit.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.