Kal Chenka

 was Liv Chenka's father.

He was chronocally ill. In her youth, he liked to take her hiking through the mountains of Kaldor (AUDIO: The Sonomancer) He had died before she had met the Seventh Doctor. When Liv was investigating a set of nuisance calls in 1998 they used his voice as part of it. She explained to the Eighth Doctor had she could have stopped him dying by noticing the symptom he had they eventually killed him. (AUDIO: Absent Friends)