Grogg is a monster.
Biography
Grogg, while under the control of the Leader attacked the Avengers on a bridge.
When Hank Pym was able to destroy the source of the mind control, Grogg was freed and returned to his normal state.[1]
Physical appearance
Grogg is a large green dragon, with torn wings, and a spiked tail.[1]
Appearances
- c10. "Marvel Universe: The Avengers: Earth's Mightiest Heroes Issue 10"