Cards formed by "mating" Greenberg with another card. eg: "Greenberg+mate".
+Appears in
Never!
+description
Greenberg never appears on screen. He is Coach Finstock's least favorite student. It is implied that he's a good student, at least in Economics, because ...
+discussion
This is incorrect! Greenburg was thought to never appear on screen but in Season 1, Episode 6, "Heart Moniter" Greenburg makes an appearance. Just past ...