Robot on unicycle

Erupting volcano

Invisible man with green clothes, a monacle, mustache, helmet, and machine gun

"Simona rocks" with polka dots

Swiss flag

Link (from Zelda) opening a treasure chest

Vampire punching a malformed person at 2 o'clock

American flag with daffodils on top

Stick person with squiggly arms is scared of a monster

No aliens allowed

Cracked egg head guy

Skyrim dragonborn