- After discovering his birth name was taken in the Actors' Equity, he renamed himself Merton, after the district of London where he grew up.
- Appeared on BBC Radio 4's The Big Fun Show in the late 1980s.
- Booked himself into Maudsley psychiatric hospital due to psychiatric problems caused by the malaria medicine Lariam.
- Won a BAFTA Award in 2003 for Best Entertainment Performance.
- Caroline Quentin — Ex-wife
- Sarah Parkinson — Wife (deceased)