For those wondering about Lobot, yes, he is somewhat cybernetic so the Lobot=Robot thing works as Buddy states in another post.
Lando... Orlando is a name that I've seen several times and Lando could be a derivation thereof. Orlando Jones and Orlando Bloom the actors. And, of course, the city of Orlando in Florida. Maybe Lucas had an affinity for Disney World when he named the character.
Cool thread, James.