Aeleus is the original persona, or "somebody" of Lexaeus. He used to be a security guard at Radiant Garden. He was one of the six apprentices of Ansem the Wise, along with Xehanort, Braig, Dilan, Even, and Ienzo. He appears in Kingdom Hearts: Birth by Sleep and Kingdom Hearts 3D: Dream Drop Distance.
 Journal Entries
 Kingdom Hearts Birth by Sleep
A man of true grit who serves in the Royal Guard who watch over Radiant Garden. He values action over words.
 Kingdom Hearts 3D: Dream Drop Distance
The human form of Lexaeus, one of Organization XIII's Nobodies. At one time, he was one of Ansem the Wise's apprentices and helped guard the castle.
He has awoken in Radiant Garden.