Countdown (G.I. Joe)
From MediaWiki
| The name or term "Countdown" refers to more than one character or idea. For a list of other meanings, see Countdown (disambiguation). |
- Countdown is a member of G.I. Joe from the Generation 1 continuity family.

Countdown, a.k.a. David D. Dubosky, is a genius engineer, a chess master, and a friggin' astronaut. Foremost among his many skills, however, is his ability to bore his companions to tears.
Space missions with him must be tons of fun.
Fiction
G.I. Joe vs. the Transformers
Countdown was one of the members of G.I. Joe who embarked on a Joe Colton-led mission to Unicron's inert body in order to police its surviving inhabitants. Black Horizon, Part 2 of 2
IDW Generation 1 continuity
Agent Dubosky reported to General Colton about a mysterious being executing people seemingly at random in North California. Secret Raiders


