Robo-Boggers

Carl, Trixie and Frankenbooger, better known as The Three Robo-Boogers are minor antagonists of Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy Part 1: The Night of the Nasty Nostril Nuggets, and the main antagonists of Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy Part 2: The Revenge of the Revenge of the Ridiculous Robo-Boogers.

Physical Appearances
Carl is a blob of snot with two bionic legs. Trixie is bigger than Carl, and has many bionic arms. Frankenbooger is the largest of the trio. He is a blob of snot with no legs, and two arms.

Personalities
Nothing is known about their separate personalities, though they eat or destroy anything in their path.

Creation
The Robo-Boogers are briefly seen at the end of Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy Part 1: The Night of the Nasty Nostril Nuggets, created by the remains of the Bionic Booger Boy. They slid off of some walls and smashed the Combine-O-Tron.

Reign of Terror
The Robo-Boogers were beaten up and shot into space by Sulu the Bionic Hamster, who heard the screams of terror caused by the trio. The three stowaway on a spaceship to get back to Earth, and attack the space station. Later, George, Harold and Captain Underpants(who has lost his powers), have been pursued by the Robo-Boogers.

Demise
George, Harold and Captain Underpants learn that the Robo-Boogers' weakness is vitamin C when Carl falls apart after eating an orange. Before Trixie and Frankenbooger could eat George and Harold, Captain Underpants annoys them by dancing atop a toilet, and the remaining Robo-Boogers go after him. The duo grab the toilet seat, which has oranges under it, leading to orange juice splashing on them, killing them.