A type of species that is a direct descendant of the mammal, Rattus rattus.
It may also be used as a term of endearment for your enemies.
That is my favorite comrade, Learnon.
A very complex and well-written character, often mischaracterized by the general fandom of the Haikyu!! franchise by Furudate Haruichi. Oftentimes, he is portrayed with a "pretty boy" persona that frequently becomes the sole basis of his character in fanfiction.
He also has an undeniable connection with his teammates from Aoba Johsai. It is pure and portrays his maturity and consideration as a person within and outside the court.
Oikawa Toru is such a great inspiration to me.