Junkyard is a dog. He's friendlier than his owner. He's still a dog, though.
A Real American Hero continuity
Marvel Comics continuity
Devil's Due Comics continuity
He's still alive, but was retired from active duty due to old age and replaced by his offspring Junkyard Jr. as Mutt's canine companion.
G.I. Joe Reloaded
G.I. Joe vs. Transformers
He was Swallowed Alive by Megatron
Action Force (British) Comics continuity
Blackthorne Comics continuity
Dreamwave Comics continuity
Hasbro Comics continuity
Sunbow animated series
DiC animated series
Sigma 6 animated series
Each Mutt figure has come with a Junkyard one. The only exception is the 2004 "Dreadnok Rampage" Mutt figure, who came instead with Junkyard Jr., offspring of the original Junkyard.
- Working names for Junkyard include "George" and "Dawg."