Peter Gambi first appeared in Black Lightning #1 and was created by Tony Isabella and Trevor von Eeden.
Gambi appears in the live-action Arrowverse series Black Lightning, portrayed by James Remar.
[1] When Tobias Whale orders the death of a student to threaten Pierce after the latter spoke out against the 100's criminal activities, Jefferson seeks Gambi's advice to avenge the victim.
[2] Syonide captures Gambi and tries to force him to reveal Black Lightning's true identity.
Gambi sacrifices his life to save Black Lightning, and Pierce forgives him as he dies.