LL CoOl J originally the name of a famous rapper, and now used as a term to describe 3 specific people joined as one. The first L stands for Laura, the second L stands for Londyn, and the J stands for Julie. The word cool simply infers to the fact they rare the coolest people alive.
LL cOOl J we run these streeetss
Laura - addicted to cokaine.
Londyn - interested in collecting bee-hives.
Julie - obsessed with jock-straps