Here's the list with HOUSE M.D. characters. 20 points each, take one, add one, you know..*hopes Greg wins* (that was sublte..:P)

House 20
Wilson 20
Cameron 20
Cuddy 20
Foreman 20
Chase 20
Thirteen 20
Kutner 20
Taub 20
Janitor 20
Cole 20
Amber 20

(add more characters if you want, but not insignificant ones)