Douglas is Donald's brother
- ιn the episode Bionic Showdown, he said he hated it when his big brother called him Dougie.
- in the episode Bionic Showdown he said that his brother kicked him out and banned him from him from his company.
- He said that he was Marcus' father and was Adam, Bree and Chase's father as well.
- In the episode Bionic Showdown in Marcus' computer or his it looked like he and his brother were good friends.
- Donald and Douglas happen to be the names of two twin trains on 'Thomas & Friends'.