Men in Black
Jasmine and Jafar are characters in Aladdin. They begin with J.
The Joker in the Batman movie
Agent J was created in 1997.
James Darrell Edwards III/Agent J Jams Edwards/Agent J(Jay)
If you're talking about the tiny pistol, it's called the 'Noisy Cricket'.
Jack Sparrow Jack (of Jack and the Beanstalk) Jack Skellington (Nightmare Before Christmas)
You call agent K and agent J from the MIB.
Jack and Jill are nursery rhyme characters that start with the letter J.
Tommy Lee Jones
jj gittes ("china town") jame gumb (silence of the lambs) john gamel or jimmy grantz (memento)
AGENT M J and Trently
write to his agent