United Kingdom, Dec. 13 -- Kelsey Grammer's youngest children do not realise how famous their dad is.

The Cheers and Frasier legend says daughter Faith, 13, and sons Gabriel, 11 and eight year old James - whom he has with his wife, Kayte Walsh - get excited when they drive around Hollywood, Los Angeles, California, and come into contact with a tour bus, but they get soon left puzzled when Kelsey, 70, is recognised.

He told E! News: "They get a kick out of when we're driving around Hollywood, and they'll see the tourist bus, or one of the Hollywood maps guys, and they'll go, 'Oh, there's Kelsey Grammer over there.' And the kids are like, 'What's going on?'"

As the globally successful sitcoms Cheers and Frasier were before Faith, Gabriel...