There're some obvious ones with football clubs, like Birmingham-Mock, Accrington Stanley-Bigsister, Everton-Alf, Forest Green-MTVN, Aston Villa-Nathan, Ireland-Legend killer, etc (ignoring all the big clubs because there're tonnes of Arsenal, United and Liverpool fans on here).
I shall always associate Harold Bishop with Dia
And then off the top of my head...
Breaking Bad - lily.
Smashing Pumpkins - LemonJam
Sugababes - Z
Amy Winehouse - Jonnii (or LaLaLand)
The Killers - Jen
Film4 - Rory
Pearl Jam - Niamh
Logic - Drew.
Lily Allen - Jake
Arcade Fire - Lucas
Humpty Dumpty - Nicky91
Limmy - Babayaro.
"..." - Ammi