JC

(52 of 'em) Jesus Christ in Junior College,  just chilling

Julius Caesar, James Cook, John Carpenter, James Cameron, Jay Cutler, Jimmy Carter, Juan Carlos I, Jackie Chan, Jack Clark, Jose Canseco, Jim Carrey, John Cena, Johnny Carson, John Candy, John Cusack, Jim Croce, Joe Cocker, Johnny Cash, Jose Carreras, Jesse Camp... 

Just curious, just checking, just chatting

Judeo-Christian, Jedi Council, Job Corps, Judicial Custody, just cause, jinn cryptid

Jersey City, Jose Cuervo, Jimmy Choo, J. Crew, jheri curl, Jim Crow,  Jenny Craig, Jed Clampett, John Connor, Joe Chill, Jesse Custer, Joe Camel, Joe Cool (Snoopy).

J-Cool, J. Cole, Jim Costa, Jim Clyburn, Jackie "cougar" crow, Jean-Claude Calegari

The JCV (JC virus: John Cunningham Virus) is usually harmless, but can be fatal.