Jinx

From Joepedia - The G.I. Joe Wiki

Jinx has been the identity of several incarnations of the same character:

• Jinx - the original version who popped up in the A Real American Hero series.
• Jinx - one of two apprentices of Snake-Eyes in the Sigma 6 series.
• Jinx - Chuckles' contact in the IDW Publishing comic-book.