So your friend wants the forums opinion.
I have played with geckos but own a horned frog. He is super boring until you feed him but I think he is cool. He would love to play with whatever your friend picks.
You need to tell your friend to get his own account so you don't have to get on an ask questions without providing the correct information for us to answer. I'm not sure how we are supposed to know what's best for your friend.