Martian Manhunter is a character who has been mentioned throughout the series. The Titans also own a plush of him.
Martian Manhunter is a green-skinned character from Mars. He is a member of the Justice League.
- Double Trouble (stuffed animal)
- Tower Power (stuffed animal)
- Halloween (costume worn by Beast Boy)
- Two Parter (costume worn by Beast Boy, cameo in tank.)