The proper name for narwhals, which makes perfect logic sense considering they are part whale, and part unicorn. In general, whalicorn just sounds cooler.
C: It's like a whale and a unicorn mated.
E: Exactly, it's a whalicorn.
Someone who walked into your life and changed you, made you genuinely care, made you a better person and no matter what happens, that person will always have your outmost respect and love.
Half whale, for being rare. Half unicorn, for being magical.
N: Icycay, you're my whalicorn.