Brett Slater, later on Brett Mole, is the result of an affair between George Mole and Doreen Slater during the early nineteen eighties, that means He's Adrian's 50 %-brother. Brett, a name his father stole from his then-spouse Pauline, has an elder 50 %-brother, Maxwell. The Slater family and George lived for a short time with George's mother Edna