Character Recommendations Based on Kevin MacArthur
Soos Ramirez Gravity Falls

Loving doofus man-child
Lt. Commander Data Star Trek: The Next Generation

This android may not have emotions, but his curiosity about humanity is endless
Grunkle Stan Gravity Falls

Grumpy tourist trap owner with a few deep secrets
Bill Cipher Gravity Falls

Inter-dimensional demon who dreams of a more chaotic Gravity Falls
Mabel Pines Gravity Falls

Loves sparkles, animals, friendship, and fun
Jules Winnfield Pulp Fiction

If this cool mob enforcer is quoting a bible verse at you, you're in trouble
Dipper Pines Gravity Falls

Investigating a truly strange town during the world's wildest summer vacation