Smiley (Fallout 2)

Smiley is the trapper to see about... well anything that involves the gecko, he is also the main squeeze of Klamath citizen Ardin Buckner who puts you on a quest to find Smiley in the first place. He can be found in the Toxic Caves. Smiley will teach the Player the Gecko Skinning perk as a reward for saving his life, other than that... well, he's just a source of gecko lore.