Fred Burkle

Moved to Los Angeles to attend graduate school at UCLA
Banish to the dimension of Pylea, spent five years escaping enslavement;
Rescued by Angel investigation, returned to Earth
Joined Angel Investigations, became head of the science division of Wolfram & Hart
Infected with the essence of an Old One, her body was taken over by Illyria
After the Magic was restored, Fred & IIlyria shared the same body