Ulrik
Ulrik is the surname, shared with his sister Kalinda Ulrik/Kalinda. Colonel Ulrik would be a more proper, unambiguous title
Talk about it here.
Ulrik was a Jariden general. He was the brother of Professor Kalinda. He headed a security inspection of the Vault of Stellar Curios. He invited the Daleks to the Vault. He was a functional upgrade of the Jaridens who fought in the Battle of Pejorica. His technology was unknown to the Daleks. He served in the 47th Division of the Jariden Army. His ident number was C-Four-Alpha-Z.
He fell back in time and met Michael Faraday and the Seventh Doctor. He located a time corridor and travelled to the Battle of Perjorica and met the Sixth Doctor, where he realised that he, the Dalek Prime and the Special Weapons Dalek were travelling back along the Doctor's timeline. He wanted to give the Daleks the Jariden device. He was killed by the Dalek Prime. (AUDIO: The Four Doctors)