Who is Craig Gifford from The Acid House and what is their importance?

Craig Gifford is killed by Roxy, with Brian's participation, after which the two rob the body and spend the money in bars. Neither of his killers know his name, and they refer to him as Blind Cunt because he was blind. On the night of the murder, Roxy notes that Gifford was flashing a lot of cash, and he concocts the plan to rob him.