Jimmy Stalkingwolf

Jimmy Stalkingwolf was briefly a companion of the Tenth Doctor.

Biography
Jimmy worked at a cattle ranch in New Mexico. In 1958 he was in a diner talking to friend Cassie Rice, when the Tenth Doctor came in. There, the Doctor activated an alien device that was on display. At that same moment a secret agent walked in and tried to take the device. Jimmy ended up having a confrontation with him. The Doctor, Cassie and Jimmy escaped in Jimmy's truck. He later took the Doctor to an area where he found a foot print. He believed it to be an alien, though Cassie did not. They were attacked by a Viperox and the Doctor told them not to provoke it and made them run. The American army arrived and fired at the Viperox killing it. He was arrested along with the Doctor and Cassie. He was forced to have his mind wiped by gas but the Doctor saved him. The trio managed to escape but set off the alarms. They hid in a lab and then they saw a different type of alien behind glass. They went up a lift and when they reached the top floor they had to put their hands in air and smile under the Doctor's instructions. His grandfather was Night Eagle. (DW: Dreamland)

He had a habit of calling the Doctor "Doc," to which the Doctor found annoying.

Behind the scenes

 * Despite featuring in the story just as much as Cassie Rice, the actor was not included in the opening credits.