That's the name of his GANG.
The Big Bang Theory Season 6, Episode 8
Oh, well, the usual GANG.
Penny's family's coming tomorrow.
The Big Bang Theory Season 9, Episode 24
Cincinnati is part of the GANG.
Money Heist Season 3, Episode 6
He's from the GANG, yes! He is.
Money Heist Season 3, Episode 6
Each movement of the police,
any possible mistake from his GANG,
Money Heist Season 1, Episode 13