Gaara is mentally troubled due to the trauma he endured as a child. He is the vessel of shukaku, an evil and bloodthirsty tailed beast, and the tailed beast made gaara insane. Gaara cannot sleep because of shukaku, and it makes him irratible. 
Gaara dislikes sweets or being around others. He has never been loved before.  Gaara is cold, distant, and is relatively quiet. Is short tempered and will use any reason to justify his bloodlust. Gaara is very thin. Gaara is a male. 