Does anybody know a aircraft call sign that starts with J? (excluding Jester but something like that.)?

well 'J' in the Phonetic alphabet is "Juliet". there's also: Jack, Jammer, Jugs, Jabba, Jim, Jimmy, Juggler, J.B., J.O., Jammin, Jay Jay, Jedi, Jesus, Jetbuster, Jethro, Johnny, Juggernaut, Jugs, Jungle, Junior ect...