Someone who is so brave that they will never back down from a challenge. They will also do
whatever it takes to
do something that the believe should be done.
If james pickles somehow cannot remove his shoes he will simply bite his own legs off, and happily state "There, done! That'll teach you to mess with a james pickles!"
If james pickles cannot open his house as he has lost his keys, he will simply set
the house on fire, and state: "If I can't use it, then I don't need it!"