Bartron Appearences: MG13 - Space Patrol
Bart suggested to Lisa and Maggie that they should play a space game to save the earth. Lisa and Maggie take up their roles, but when Bart takes him his, the pot he puts on covers his head and Lisa dubs him Bartron. Bartron does nothing but try to get the pot off and when Lisa does, he was hit so hard that he does nothing but babble.

El Barto Appearences: Various
El Barto is the dark side of Bart. But El Barto is simply used as an alias around Springfield as a Graffiti Vandal. He is known for eluding cops and school officials everywhere. In comics, Bart used both his El Barto, and Bartman identities to trick the Penalizer.

Bartman Appearences: Various
Bartman is Bart's most used undercover vigilante name. Bartman has participated in several missions, including saving Springfield from a Nuclear Explsion with help from Radioactive Man, solved the reason behind a wave of Bartman hate with help from Lisa the Conjourer and Maggeena. Overthrown the Evil Bart of another Dimention with help from Stretch Dude and Cupcake Kid, and also lead an assault on Doctor Collosus after he turned Springfield into 10 year olds with help from Mature Lass, The Silencer, Mini-Mom, Commander Cool, The Laughter, The Amazing Lenny and Kid Blackula

Stretch Dude Appearences: BABF01 - Treehouse of Horror X
Bart gains the ability to stretch any limb in his body after being exposed to radiation from an X-Ray machine, at the same time, Lisa gains super strength, the pair team up to fight crime. Later they share their powers with Maggie who joins them. Stretch Dude has on one occation had to go alone when he was teleported to a different dimention and forced to team up with Bartman and The Cupcake Kid to overthrow Evil Bart.

Bartzilla Appearences: Bart Simpson Comics #11
When Marge forbids Bart from watching TV, he for some reason mutates and turns into a Godzilla like version of himself. He rampages through the town, drinking from the Squishee Machine and eating Pricipal Skinner, but soon, Robo-Sis comes along and the two engage in battle. It quickly turns out that the whole thing was a vision by Bart and Lisa.

The Cupcake Kid Appearences: FABF15 - Simple Simpson
When Homer finally announced that he was the Pie Man, no one believed him, so he was able to keep hold of the persona. Bart believed Homer, as did Marge and Lisa, so Bart joined his father as his sidekick.

The Silvery Skateboarder Appearences: Simpsons Super Spectacular #3
Gasritus is always hungry, and to supress his appetite he eats planets that dont have intelegnet life. First he summons the Silvery Skateboarder but all he does is cause mischief.

Captain Cupcake Appearences: Simpsons Super Spectacular #5
When Professor Frink becomes a villain wanting to turn coal into diamonds, he creates a machine that can steal a persons age and make them younger. Pie Man and The Cupcake Kid come to stop him, but are knocked out of commission and Frink uses his device on the two, switching their ages. Now, The Cupcake Kid is older than Pie Man, and they reverse roles. Captain Cupcake, with the aid of Lisa comes up with a plan to get Professor Fink to restore their ages back to normal.

Barium Appearences: Simpsons Super Spectacular #12
When Bart accidentally mixes the family laundry with a vat of mysterious liquid Professor Frink is working on that would create robotic copies of the DNA of those who was put into said vat, Robotic versions of the entire family are created, each with unique powers. Homer at the same time does something similar at the power plant creating some sort of a mutant thing. Bartman, along with the robots agree to band together to defeat the mutant.