Squidward Tentacles is one of the main characters in the animated television series, SpongeBob Squarepants. He makes a few appearances as a minor background character in the SMG4 series.
He first appeared in Super Mario 64 Bloopers: Hunt for the Hero's Clothes when Mario breaks in Squidward's bathroom while looking for his overalls.
He next appeared in R64: Mario's Spageti Delivary as a hallucination.
He makes a minor appearance and is seen among the many dead contestants in ♫ The Ultimate Smash Bros ♫.
When Mario and Meggy were building Snowmen, Mario uses a Squidward head for his snowman.
He made a minor appearance as a music teacher in Mario's EXTRAS: High School Mario.
Multiple Squidwards appear as enemies in second round of the Tower Defense match in the Final Splatfest in SMG4 Movie: Meggy's Destiny.
- Super Mario 64 Bloopers: Hunt for the Hero's Clothes
- R64: Mario's Spageti Delivary
- Super Mario 64 Bloopers: SwagQuest
- R64: Mario The Waiter
- ♫ The Ultimate Smash Bros ♫
- SMG4: Stupid Mario Odyssey 2
- Mario's EXTRAS: High School Mario
- SMG4: Mario Saves Anime
- SMG4: A Day In The Life Of Everyone
- SMG4: The Minecraft Plague
- SMG4: If Mario Was Smart
- SMG4: The Weegee Uprising
- SMG4: Mario's Magical TV
- Meggy's Destiny: An SMG4 Movie
- Mario Plays: Friday Night Funkin
- SMG4: MARIOS OKAY
- SMG4: If Mario Was In... Nickelodeon
- His head was used for Heavy Squid.
- His house appeared in SMG4: Stupid Mario Odyssey, where Mario possesses it.
- In SMG4 Movie: Meggy's Destiny, he replaces the Salmonids