Pineapple, jalapeños, and sausage.
Mixing acid with spice adds an extra kick, so if you like spicy pizza, you have to try it.
Does crab pizza dip count? Althought not a traditional its amazing. Otherwise I will have to go with hawaiian style and start the age old pineapple is not an acceptable pizza topping debate.
Double cheese, loadded with meat (pepperoni, bacon, sausage) and finally topped off with mushrooms.