What are all the real names of all the Organization XIII members from Kingdom Hearts

The real names of the Organization XIII members are:

Xehanort; "Ansem" [used for the anagram] (Xemnas)
Braig (Xigbar)
Dilan (Xaldin)
Even (Vexen)
Aeleus (Lexaeus)
Ienzo (Zexion)
Isa (Saïx)
Lea (Axel)
Sora (Roxas)
No.i [Number i] (Xion)

Demyx, Luxord, Marluxia and Larxene are not listed because their real names are currently unknown.

Axel is actually thought to be based off of Reno from Final Fantasy VII, who is voiced by the same person; Quinton Flynn. Axel's name is also thought to be an anagram of Reno's favorite drink, which is "ale".