David C Tam goes by Dave.
Manuel C Cruz goes by Manny.
Michael C Hoaglin goes by Mike.
Courtney Amber goes by C. Pure, and C. Poo.
Candice Sanders goes by C.
Charlie Nadler goes by C$.
Mariah C Robinson goes by Mars, Bubba, and MRob.
Bob Condella goes by Bob C..
Jonathan Coulton goes by Johnny C.
Cabral Rock goes by C-Rock.
Richie Wittman goes by Richie the C.
Kacey Barnfield goes by K C.
Devon Pollard goes by C-Stand.