The security ninjas are a group of ninjas that appear in the episode "Single-Celled Defense."
Description[]
They are three green, lavender and light orange colored ninja fish who work for Mr. Krabs at the Krusty Krab as security guards. They appear when the alarm is activated to protect the Krabby Patty secret formula from Plankton. They have dark red clothes with yellow ninja belts and blue scarves. They wear black face masks and pants with Krusty Krab employee hats. They use shoes as weapons and can throw smoke bombs.
Role in episode[]
To steal the secret formula, Plankton goes into the Krusty Krab, but Squidward triggers an alarm that signals the security ninjas to capture him. The ninjas try to carry out attacks using shoes against Plankton, but he successfully evades all of them and overcomes them.