He was one of the slaves captured by Evil Rick and Morty and held in their base on Hideout Planet. He ultimately teamed up with the other Mortys to take down the Rick and his Crab Spiders. His dream is "to write really crazy, intense action novels". Afterwards, he was escorted back to The Citadel with the rest of the stolen Mortys.
Antenna Morty is a young Caucasian teenage boy with short brown hair and a yellow shirt. He looks identical to most Mortys, except that he has two green alien-like antennae on his head.
- Antenna Morty is depicted as a character in the Rickstaverse unlockable "Morty Tracts".