Cheech Marin Biography
Richard Anthony "Cheech" Marin (born July 13, 1946) is an American comedian and actor who gained recognition as part of the comedy act Cheech & Chong during the 1970s and early 1980s, and as Don Johnson's partner, Insp. Joe Dominguez on Nash Bridges. He has also voiced characters in several Disney movies, including Oliver and Company, The Lion King, Cars and its 2011 sequel.
The thick Mexican accent he often uses is a part of a comic persona, rather than a natural accent. Description above from the Wikipedia article Cheech Marin, licensed under CC-BY-SA, full list of contributors on Wikipedia.