It’s Tirion. It took him most of a fight to remember to click off Iceblock..
I’ve posted this before but it’s relevant:
Hey! Anduin! How is this guy your hero?
Plan to show up 15 minutes late to the garrosh fight in your armor and with Starbucks ?
Nah, he has to wait until everyone is dead.
(Brereton Tev was already dead so it counts.)