You might have guessed it that Busted Bulb and Lousy Lantern are friends. They're actually close brothers and share the same light. Lousy Lantern is in fact more trashy, and older than Busted Bulb and hardly gives light at all.
Trash Town Hangout:
Hanging out with Busted Bulb in the Atomic Attics
"Always have a fright light" (Trading Card Line)