User blog comment:Demon CD/Super Smash Lawl Lambda - Empty Slot/@comment-24.230.61.38-20150717225020

My Suggestions:

Tron

Mermaid Man and Barnacle Boy (SpongeBob Squarepants)

Ghostbusters

Pete (Disney)

King Goobot (Jimmy Neutron)

Stripe (Gremlins)

Ice King (Adventure Time)