Emperor Hulkling (Kree name Dorrek VIII, also known as Theodore Rufus "Teddy" Kaplan-Altman) is a fictional character and superhero appearing in American comic books published by Marvel Comics. He was created by Allan Heinberg and Jim Cheung, and first appeared in Young Avengers #1 in April of 2005.
The character has been depicted as a founding member of the Young Avengers, a team of superheroes in the Marvel Universe, and has been a member of the Secret Avengers and Avengers Idea Mechanics. Hulkling's character is patterned on the Hulk, with shapeshifting abilities that go far beyond the ability to mimic the Hulk, and superhuman strength. He is known for his relationship with fellow Young Avenger Wiccan, notable for being one of the highest-profile LGBT relationships in comics.