Age:It was never revealed in neither the anime or manga, what is age truly is. However, being that Shinigami may be over 800 years of age, and his brother, Asura, is nearly 800, it is likely that Kiddo is less than 200 years old or a little over.
Blood Type: D
He is Patricia "Patti/Patty" Thompson's and Elizabeth "Liz"...
Death the Kid (デス・ザ・キッド, Desu za Kiddo) commonly called "Kid" (キッド, Kiddo) by his friends and family, is one of the main meisters that the series follows. He is Patti and Liz's meister and Shinigami-sama's son.
Kid suffers from obsessive-compulsive disorder, or OCD, which is manifested as an obsession over symmetry, otherwise known as asymmetriphobia. Things (and people) must be perfectly symmetrical, lest something unknown and awful happen. Thus if anything is off by any measurement (a picture frame off by millimeter, or a pose that is slightly out of place),...