Age: 16

Birthday: June 10

Height: 177 cm (5'9)

Weight: 65 kg (143 lbs)

Blood Type: B

Donny used to train as a Holy Knight apprentice under his uncle Howzer alongside his friend Edlin. However, seeing that he lacked the strength to become a Holy Knight, Donny dropped out of training and joined the Katz Street Troupe alongside Katz and Elva.

(Source: The Seven Deadly Sins: Four Knights of the Apocalypse Wiki)