Mark Jefferis is a British puppeteer who began his career as a dancer and musical theater performer. In 1988, Jefferis joined the puppeteering cast of Spitting Image, performing caricatures of the Queen Mum and Neil Kinnock. Since then, he has worked on several Muppet and Creature Shop productions produced in England.

Jefferis puppeteered on a The Hoobs (as Hubba Hubba and Groove) replaced by Brian Herring afterwards.