"What I'm offering in the telethon is a name in one of my novels," the writer, whose Harry Hole thrillers have sold more than 20 million books worldwide, told NRK.
"But anyone who joins in the game must be prepared not to know what their name will be used for. The risk of course is that you end up being a particularly unsympathetic character, perhaps even a murderer or murderess."
He said he would rather have a winner with a short name, but pledged to use the name of whoever bids the highest, however outlandish or cumbersome, with just one stipulation.
"If you have a middle name and you want to use it, there will be a middle-name fee as well. Then you have to pay extra," he said.
This year's telethon, which will take place on Sunday October 20th, will go to the National Health Association for research into dementia.
– A day in the recording studio with Norwegian production wizards Stargate, who produced the current US number six hit The Fox, as well as a string of hits for Rihanna and Beyoncė.
– A meeting with English heavy metal rockers Motorhead, and tickets to their concert.
– The chance to be a TV presenter on NRK's Norge Rundt programme.