My theme for 2021 is “Doctor Who vs. The Master!”
Tom Baker 1/20/1934 - The Fourth Doctor
Peter Davison 4/13/1951 - The Fifth Doctor and my favorite
Colin Baker 4/18/1943 - The Sixth Doctor
Sylvester McCoy 8/20/1943 - The Seventh Doctor
Paul McGann 11/14/1959 - The Doctor We Do Not Speak Of
Christopher Eccleston 2/16/1964 - The Ninth Doctor/First Doctor NuWho
David Tennant 4/18/1971 - The Tenth Doctor
Matt Smith 10/28/1982 - The Eleventh Doctor and the first one younger than me 
Peter Capaldi 4/14/1958 - The Twelfth Doctor and my favorite NuWho
Jodie Whittaker 6/17/1982 - The Thirteenth Doctor
David Bradley 4/17/1942 - Pretended to be William Hartnell when the First Doctor was required
Geoffrey Beevers 1/15/1941 - The Third Master
Eric Roberts 4/18/1956 - The Master We Do Not Speak Of
Derek Jacobi 10/22/1958 - The Sixth Master
Alternates
John Simm 7/10/1970 - The Seventh Master
Michelle Gomez 11/23/1966 - The Eighth Master/First Missy
Sacha Dawan 5/1/1984 - The Ninth Master
Clean List
Tom Baker
Peter Davison
Colin Baker
Sylvester McCoy
Christopher Eccleston
David Tennant
Matt Smith
Peter Capaldi
Jodie Whittaker
David Bradley
Geoffrey Beevers
Eric Roberts
Derek Jacobi
Alternates
John Simm
Michelle Gomez
Sacha Dawan