Mr Slater was a unseen character in EastEnders who was mentioned in 1994 by Phil Mitchell and Grant Mitchell. Mr Slater was an old friend of Jimmy Coogan whom Jimmy had assaulted badly years ago and stole his money. Phil and Grant, having had trouble with Jimmy over a stolen car scam used this as a tactic to frighten Jimmy off. Mr Slater wanted Jimmy to go down for 20 years for GBH and theft. Jimmy admitted defeat to the Mitchells and left Walford and was never seen again.