Wt'hlm

 was the doctor who looked after Irving Braxiatel when he fainted. He later tried to save Jess Carter when she committed suicide. (PROSE: Dead Mice)

In another timeline he met Bernice Summerfield after an unfortunate incident with Mirvonian gin and the fried egg sandwich. He treated Benny after the history machine incident where she was blinded. He found it hard to treat Peter Summerfield because of his mixed human/Killoran DNA. (PROSE: Acts of Senseless Devotion)