Dr. Carl Tanner was a scientist associated with David and Tina McGee, who was secretly doing illegal experiments to create mutations. When he was confronted by Tina and the Flash, he injected himself with the serum, turning into the Nuge, though was ultimately taken down.
Appearances
The Flash
Season 1
Behind the scenes
- A similarly named character, Dr. Carla Tannhauser, appears in the 2014 Flash TV Series as the mother of Dr. Caitlin Snow/Killer Frost.