I am an impressionist Here is a short list:
Don Knotts, Dick Vitale, Dr. Phil, Chris Rock, Gilbert Gottfried, Al Pacino, Joe Pesci, Glen Quagmire, Stewie Griffen(from Family Guy), Chris Farley, Hank Hill, Boomhauer, Tony Soprano, George W. Bush,Marv Albert,Arnold Schwarzaneggar, Howard Cosell, John Fusenda, Archie Bunker, Bill Cosby, Fat Albert, Mushmouth,Jimmy Stewart,Ray Liotta
Ed Norton, Ralph Kramden, Walter Brennan, Forrest Gump, Jay Leno, Jack Nicholson, Johnny Carson, Marlon Brando, Joe Pantoliano, Fat Bastard, Austin Powers, Dr. Evil, Sylvester Stallone, The Cowardly Lion, Clint Eastwood, George Carlin, Ted Koppel, Redd Foxx, Walter Cronkite
Steve Irwin, Lt. Columbo, Cartman, Cliff Clavin, Bullwinkle ,My Dad, Sean Connery, Cheech Marin, Popeye, Bill Clinton, Rev. Jim, Richard Nixon, Ted Kennedy Ronald Reagan, George Bush(41), Homer Simpson, Grandpa Simpson
Krusty the Clown, Beavis & Butthead
Drill Sgt. from Full Metal Jacket(R. Lee Ermy),Ross Perot, Bob Sheppard(PA announcer at Yankee Stadium)
Jerry Seinfeld, George Costanza,
John O'Hurley, Ozzy Osbourne.....and many more