Jenny Winterleaf

Jenny was traffic warden who used to travel with Iris Wildthyme. She used to get diarrhea whenever they went through the vortex. (BFIW: Wildthyme at Large, The Devil in Ms. Wildthyme)

Iris and Jenny once helped the Doctor to defeat the Dalek Supreme in the Crystal Mines of Marlion. (PDA: Verdigris)

Some point after leaving Iris, Jenny became the head of the Darlington division of MIAOW. In 2011, she asked Iris for her help in recovering a variety of alien artefacts that had crashed to Earth. (Enter Wildthyme)