Robot Mantis

The Robot Mantis is a robotic mantis supervillain who first appears in the episode The Bad Guy Club for Villains.

Looks

He is a green praying mantis-shaped robot with red glowing eyes and a skull-shaped head.

Mermaid Man and Barnacle Boy

Episodes of SpongeBob: I • II • III • IV (cameos) • V • VI: The Motion Picture • Night Light • Mermaid Man vs. SpongeBob • The Card • Ditchin' (cameos) • Shuffleboarding (cameos) • SpongeBob's Last Stand (non-speaking cameos) • Back to the Past • The Bad Guy Club for Villains • Mermaid Man Begins • Super Evil Aquatic Villain Team Up is Go! • Patrick-Man! • Mermaid Pants • Man Ray Returns • Appointment TV • Dirty Bubble Returns • Captain Pipsqueak • The Dirty Bubble Bass Episodes of Kamp Koral: Mermaid Men and Barnacle Boys Episodes of TPSS: X Marks the Pot • Super Sitters Characters: Dirty Bubble • Man Ray • Barnacle Man • Atomic Flounder • The Moth • Kelp Thing • Reflecto • Sinister Slug • Jumbo Shrimp • Robot Mantis • Every Villain Is Lemons • The Chief • Super Acquaintances • The Quickster • Elastic Waistband • Captain Magma • Miss Appear Places: Mermalair • Shady Shoals • Hotel Evil • Locker of Memories • Time Machine Nickelodeon Magazine Comics: Mermaid Man Cleans Up • Hungry for Heroes Other: The Mermaid Man and Barnacle Boy Book • Time Machine • Fiber • Tickle Belt • Mermaid Man and Barnacle Boy Fan Club • Magic Claw • Man Ray's Power Glove • Mermerang • Dirty Bubbles' Bubble Launcher • Mermaid Man's Belt • Mermaid Man and Barnacle Boy Bran Flakes • Breakfast Bites • Mermaid Man and Barnacle Boy Paddleball Set • Mermaid Man and Barnacle Boy Trading Card No. 54 • The Mermaid Man and Barnacle Boy Movie • Mermaid Man and Barnacle Boy Video • Mermaid Man and Barnacle Boy Fridge Magnet • Orb of Confusion • Mermaid Man Watch