Calder Kill Day, Half Giant of the Ice Night

My character is called Calder Kill Day, the half giant of the ice night. I'm playing an Eldritch Knight and I found a bunch of like icy, frosty spells. Did you name the waterfall off of the spell ice knife? No. I just sometimes say weird geographical locations in a gruff voice to try to decide where I want to be from. That one just fell off my tongue one day.