Mr. Piker is Miranda Mary Piker's father.
Mr. Piker is described as a person that has a smooth, white face like a boiled onion.
The Chocolate Room
In an early draft of the story, Miranda Piker was a ditto of Augustus Gloop, (called Augustus Pottle at this draft) falling into the Chocolate River and going to the Peanut-Brittle Room. No information is known about Mr. Piker at this stage.