I looked back at some of YayGollum's posts. They were quite entertaining. Anyway...
Gandalf does have a habit of threatening people with fire, but I'm sure he would never really burn anyone (well, except for those two times involving
wolves attacking. Oh yeah, and that one time where he burned a bunch of
goblins with sparks after breaking into their cave. Oh, and he never actually burned our friendly innkeeper, but there was a threat in writing regarding late mail delivery:
'I hope Butterbur sends this promptly...If he forgets I shall roast him.')
And look at what he did to these innocent hobbitses: