Neo Bahamut
Blue Mage
At some points, this is presented as irrefutible dogma. The Nobodies have no emotions & any indication otherwise is just an act. However, the "acts" are extremely convincing, & sometimes, "it's just an act" really doesn't make sense as an excuse, even removing the "special" Nobodies; Namine, Xion, & Roxas, from the equation. Now, if they really do have emotions, then why would they go around proclaiming otherwise? Could it be that Xemnas has a need for puppets & just manipulates them into feeling that way?