We don't have a biography for Jefferson Twilight yet. Hang in there, or go ahead and contribute one.
Appearances
The Venture Bros.
Guest cast, played by Charles Parnell
- Episode 2x08: Fallen Arches (Sep 3, 2006)
- Episode 2x11: ¡Viva los Muertos! (Oct 1, 2006)
- Episode 2x12: Showdown at Cremation Creek (1) (Oct 8, 2006)
- Episode 2x13: Showdown at Cremation Creek (2) (Oct 15, 2006)
- Episode 3x05: The Buddy System (Jun 29, 2008)
- Episode 3x07: What Goes Down Must Come Up (Jul 13, 2008)
- Episode 4x07: The Better Man (Dec 6, 2009)
- Episode 4x16: Operation: P.R.O.M. (Nov 21, 2010)
- Episode 7x01: The Venture Bros. and The Curse of the Haunted Problem (Aug 5, 2018)
- Episode 7x03: Arrears in Science (Aug 19, 2018)
- Episode S05 Special: A Very Venture Halloween (Oct 28, 2012)
- Episode S06 Special: All This and Gargantua-2 (Jan 19, 2015)