Could you trust them? No. Could you enjoy playing with them, as a kid? Definately! These were so cool, they deserve their own category. Lots of soft goods, weird and odd weapons. Bizarre names and just overall strangeness made them favorites for many a kid. Who in Jabba's cohort would be the major domo for you?
Klaatu Skiff Guard
Rancor Keeper (yeah, he's not truly an alien, but he fits nowhere else)
Wow! That's quite a motely crew, especially considering most of them died in the movie (unless you believe the EU books).