He is the father of the Lab Rats and Stepdad to Leo. He loves his family and will do anything to protect them. Also he has a large ego and is sometimes child-ish.
- He has a large ego.
- Leo calls him 'Big D".
- Douglas is Donald's younger brother.
- He is a Billionare.
- He is 43 years old.
- Adam Bree and Chase call him Mr.Davenport but regards him as a father.
- Donald hates when Douglas calls him Donny but it does not annoy him when Eddy says it.
- He has supposed to be 6.1
- He never told Adam, Bree, and Chase about Santa.
- He, the FBI, and Mom thought Douglas was dead.
- He wears dull colors like black and gray.
- He compared a monster truck to the size of his ego.