First Appearance: Digdoug - Episode 20
Jefferson ‘Nickel’ Carver is a barbarian Carnymancer in the Carnyvale who has seen better days. He has no home, not even a Wagon, and sleeps on the ground. He's seen very drunk, and offered Digdoug a bottle of Doctor Henry David Skidreau’s Tonic of Wildness. Dove Barstool had a strong dislike of him, repeatedly slapping him for being very close to her wagon.
Real World References
US president Thomas Jefferson is on the Nickel, a five cent coin.
Nickel Carver is likely a reference to carving wooden nickels. "Don't take any wooden nickels!"