Mr. Griffin is a fictional character from the popular television show 'Family Guy'. He is the father of the Griffin family and is voiced by Seth MacFarlane. Merv is his first name, which is a shortened version of his full name, Meredith. He is a middle-aged man who works as a toy designer and is often seen wearing a white dress shirt and a red tie. He is known for his dry wit and sarcasm, as well as his love of martinis.