The Rocktopus is one of the funniest 3d models I've ever printed.
NO SUPPORTS NEEDED
Might want to use a brim or raft for better bed adhesion. I just used slower first layer speeds and it printed fine.
This is an original design by the user Rubberman_PB on Thingiverse. You can find the original here. The original file is licensed under Creative Commons - Attribution.
The user re-uploaded this model. The user is not the original author of the model.