David Fitzgerald Doyle was an American actor, voice actor, and comedian who was known for his distinctive raspy voice. He was best known for his portrayal of John Bosley on the ABC TV series Charlie's Angels, and for voicing Grandpa Lou Pickles in the Nickelodeon animated series, Rugrats, until his death in 1997. Since then, Joe Alaskey assumed the role of Grandpa Lou.
For Disney, Doyle voiced Sheriff Gomer Cleghorn in TaleSpin, Adopt-A-con Judge in Darkwing Duck, an irate traffic cop in Goof Troop, W.W. Wacky in Bonkers, Commander Buck Burpelson in Quack Pack, and Sam Delaney in the Mighty Ducks TV series.