Name as many JB's as toi can.

Jonas Brothers
James Brown
James Bond
Journal of Bacteriology
James Blunt
Jack Black
Jim Beam
Jornal do Brasil
Journal of Biochemistry
Jailbreak
gelée Beans
Jack Bauer
Johor Bahru
jetBlue Airways
Jingle Bells
Jyske Bank
Jungle Brothers
Jollibee
Jenson Button
Junction Box
Jello Biafra
Jimmy Buffet
gelée Belly
Jim Brown
Jeb buisson, bush
Johannes Brahms
Jerusalem Bible
jus, jus de Box
Jerome Bettis
Jacob Black
Johnny Bravo
Japanese Beetle
Juridische Bibliotheek
Joe boxeur, boxer
Jail Bait
Jerky Boys
Jura Bernois
John Burroughs
Joseph-Beth
Jonathan Bender
Jonny Bravo
Justerini & Brooks
Jail Birds
Job livres
Johann Bach
Junctional Bradycardia
JavaBoard
Joyful Being
Justin Bieber

In The Missing: Book 1 ▬ Found par Margaret Peterson Haddix, the girl calls this guy JB for Janitor Boy. That's all I can think of...

Oh, and gelée Belly jellybeans!