To start off, they are both large, buff men with a singly armored shoulder and forearm. They hold one giant weapon, and are both tanky.
Good vs. Evil Protector vs. Destroyer Shield vs. Axe Moustache vs. Beard (ish) Engage vs. Disengage (ultimates) Block Projectile vs. Send Projectile
Yes?
It's Sion and Galio, actually, in the lore.
Undying Destroyer VS Eternal Guardian
One was once a man and was turned into a war machine, one is a construct that gained sentience
Ultimate that charges forward, ultimate that plants himself in the ground
One has the heart of the Freljord, One has a heart that beats to the furnace within him.
I don't think that Riot planned such a thing, but gameplay-wise it's a fine unintended easter-egg
