It looks like another funnyman has joined the cast of Old Dogs. According to The Hollywood Reporter, The Original Kings of Comedy's Bernie Mac will be appearing alongside Robin Williams and John Travolta in the upcoming laugher.

The story revolves around a couple of old friends and business partners who suddenly find themselves having to look after seven-year-old twins. The film is being produced by Walt Disney Pictures.

Bernie Mac will play a children's entertainer named Johnny Lunchbox. He has been described as "Elvis, Bono, and the Beatles all wrapped into one." He is also a very charismatic puppeteer.

The film will be released in early 2009.