For details on the actual people the comic is about, you can visit the MI6 Mainframe.
Rob's Characters:
Shadowrun:
Jynx
Harry Potter

BESM:
Carly/Kali

In Nomine:
Mark

Vin's Characters:
Shadowrun:
Fade

In Nomine:
Damien

Phil's Characters:
Shadowrun:
Rigger Bloke

BESM:
Thrud

Val's Characters:
Shadowrun:
Moerlin

BESM:
Twink