Just to name a few from TV/film without delving into books
Kyūzō - Seven Samurai
Juror # 8 (Henry Fonda) - 12 Angry Men
Francis Urquhart - House Of Cards
Clive Candy/Theo Kretschmar- Schuldorff - The Life and Death Of Colonel Blimp
Sherlock Holmes (Jeremy Brett) - Sherlock Holmes
Phyllis Dietrichson - Double Indemnity
Le Capitaine Werner Von Ebrennac - Le silence de la mer
Norman Stanley Fletcher - Porridge
Guido Orefice - Life Is Beautiful
Zorg - Betty Blue
Basil Fawlty - Fawlty Towers
Baldric - Black Adder
The Doctor - Doctor Who
Alan Partridge
Peachy Carnehan - The Man Who Would Be King
Mardge Gunderson - Fargo
Captain Picard
Lt Commander Data
The Doctor (All Incarnations)
Captain Kirk
Mr Spock
Dr. McCoy
Treguard from Knightmare (I loved all of those monologues Hugo Myatt did at the beginning and end of episodes)
President Jed Bartlet
Josh Lyman
Jack and Victor (from Still Game)
and many more....
Greg House .... LEGEND!!
Nathan Young (misfits)
The Doctor
Bloo (fosters home for imaginary friends)
Dean Winchester
Peter Griffin
Homer
Frank Gallagher
Malcolm Tucker & Terri Coverley - The Thick Of It
Withnail - Withnail & I
Luigi Vercotti - MP's Flying Circus
Count Duckula
Ida Arnold - Brighton Rock
Mike Ehrmintrout - Breaking Bad
Comments
Sam and Dean Winchester
Castiel
Hilda Ogden
Barry Grant
Michael Weston
Jason Bourne (book version)
The two main characters from To Kill A Mockingbird.
http://en.wikipedia.org/wiki/List_of_To_Kill_a_Mockingbird_characters
Lafayette Reynolds
Russell Edgington
SpongeBob
Patrick Star
Batiatus and Lucretia
John Book (Harrison Ford in Witness)
Babe the Sheep Pig
Fr Jack Hackett
Fr Noel Furlong
Amelie Poulain
Dori from Finding Nemo
Chihiro from Spirited Away
Addison Montgomery- Greys Anatomy/Private Practice
The Doctor
Hermione Grainger
Luna Lovegood
Kyūzō - Seven Samurai
Juror # 8 (Henry Fonda) - 12 Angry Men
Francis Urquhart - House Of Cards
Clive Candy/Theo Kretschmar- Schuldorff - The Life and Death Of Colonel Blimp
Sherlock Holmes (Jeremy Brett) - Sherlock Holmes
Phyllis Dietrichson - Double Indemnity
Le Capitaine Werner Von Ebrennac - Le silence de la mer
Norman Stanley Fletcher - Porridge
Guido Orefice - Life Is Beautiful
Zorg - Betty Blue
Basil Fawlty - Fawlty Towers
Baldric - Black Adder
The Doctor - Doctor Who
Alan Partridge
Peachy Carnehan - The Man Who Would Be King
Mardge Gunderson - Fargo
Alan Partridge
Thursday Next
Adrian Mole
No. 6
Wonder Woman
Beth Jordache
Luke Skywalker
Halo Jones
The Drunken Bakers
Big Vern
Jill Swinburne & Trevor Chaplin (Beiderbecke Trilogy)
Hal 9000 (2001)
The Doctor & Sarah-Jane Smith (Jon Pertwee, natch )
Dougal (Magic Roundabout)
Frank Bullitt (Steve McQueen)
Moss (IT Crowd)
Hawkeye Pearce (Alan Alda - M*A*S*H)
Lt. Frank Drebin (Police Squad - In Color)
Ted Crilley (Father Ted)
Damien Day (Drop the Dead Donkey)
Too many more to list.
Captain Picard
Lt Commander Data
The Doctor (All Incarnations)
Captain Kirk
Mr Spock
Dr. McCoy
Treguard from Knightmare (I loved all of those monologues Hugo Myatt did at the beginning and end of episodes)
President Jed Bartlet
Josh Lyman
Jack and Victor (from Still Game)
and many more....
Nathan Young (misfits)
The Doctor
Bloo (fosters home for imaginary friends)
Dean Winchester
Peter Griffin
Homer
Frank Gallagher
Rose Tyler
Dean Winchester
Castiel
Loki
Magnus Bane
Legolas
Aragorn
Magneto
Illya Kuryakin (Man From Uncle)
Sidney Carton (From A Tale of Two Cities)
Capt Jack Harkness
Withnail - Withnail & I
Luigi Vercotti - MP's Flying Circus
Count Duckula
Ida Arnold - Brighton Rock
Mike Ehrmintrout - Breaking Bad
Good call!
Del Boy
Rodney
Aurther Daley
Sheldon cooper
Frasier crane
Niles crane
Myron Bolitar