Squidward Tentacles

Squidward Tentacles Is one of the main characters in Spongebob Squarepants. He haven't made a full-time appearance, but has made appearance in other forms.

The creepypasta version of him appeared in SM64 Halloween 2016 - SPAGHETTI.EXE

His house appeared in Stupid Mario Odyssey, when Mario possesses it.

A gif of him dancing made a appearance in Retarded64: Mario The Waiter and SMG4: Stupid Mario Odyssey 2.

His head was used for Heavy Squid.

When Mario and Meggy where building Snowmen, Mario useses Squidward head as his snowman.

He was a music teacher in Mario's EXTRAS: High School Mario.