Rocktopus is a big two-legged insect with two large green glowing eyes that bug out from the sides of it's face. It has giant crystal rocks on the top of it's head, which resembles hair. It's body resembles a centipede's with two giant arms that are used for walking. He has a little alien lure on the top of it's head. It's only line is "Mop Mop". In The Invasion, Part 2 two pigeons get mutated into Rocktopus' cute mop mop heads.