Player without profile or ID?

Whilst inviting players for my teams I stumbled over a player named "Betão Zeituni" in a droplist. I managed to do so by the following way: intending to invite Tao Brahman, I just typed "tao" and a droplist of players appeared, including "Betão Zeituni". However, when I look for him by other means (e.g., by players' list), I simply can't find him. Any ideas on how that can be possible?

I think players that have been inactive for too long, exist in some parts of the system, but are invisible in others. Perhaps this is the case with this player?

I agree with Marius.

I noticed the same thing. I saw names in my drop down box that didn't appear at all in main list of players.