Diaval; ageless

• Genderless [he/him; it/its]
• Pan

Classifications
Clan--WindClan
Flight--Wind
   ↳ Pokemon
      Type--Flying/Ice
      Ability--Aerilate
      Team--Galactic/Valor
True Sign--Arittanius [Hero of Void; Prospit Sway], Sign of the Astronaut

Kintypes
• Diaval [Maleficent]; Pet Shop [JoJo's Bizarre Adventure]; roosters; Swellow [Pokemon: Shadows of Almnia]

Beliefs/Religion
Kimetic pagan

Personality
Diaval is mischievous to the point where he hid the fact he was more than a simple bird. He's ruthless when following orders, and takes great pride in being Dio and Roderich's falcon.

Arrival
We have no idea, given that we assumed he was just a bird.