Conversation so far:
What year did Porcupine Tree form?
Porcupine Tree originated in 1987.
Who was their inspiration?
Partially inspired by the psychedelic/progressive bands of the 1970s, such as Pink Floyd.
Did they cover any of their songs?
CANNOTANSWER.
Did they win any awards?
CANNOTANSWER.
What is something crazy they did?
The two fabricated a detailed back-story including information on alleged band members and album titles, as well as a "colourful" history.

Question: What was their "colourful" history story?
Self-contained rewrite: What was Porcupine Tree "colorful" history story?