Shonen Jump
The teacher of class 3-E from Assassination classroom. He gets his name from Japanese terms meaning "Unkillable" an "teacher"
Koro-Sensei
Filo and the other Filolials from Rising of the Sheild Hero, were clearly inspired by this fictional animal from the Final fantasy games.
Chocobo
Hiro's pink haired love interest from Darling in the Franxx
Zero Two
The antagonist and titular character of Junji Itos's first published manga. Kill her, and she'll just come back again.
Tomie
Welcome to Demon School, Iruma-kun! (Or Mairimashita! Iruma-kun)
In My Hero Academia, during the First Term Final Exam, students Sero and Mineta face off against this Pro-Hero.
Midnight (or Kayama Nemuri)
This young girl from Fullmetal alchemist loves her dog Alexander... they're practically inseparable!
Nina Tucker
In the anime Space Dandy, the real name of this Betelguesian is Mymyamo, but everyone just calls him this, due to his resemblence to a certain Earth animal.
Meow
The titular character of the anime Hell Girl, who's real first name means "love" and family names comes from the king of Hell in Japanese-Buddhist myth
Ai Enma (Or Enma Ai)
In this anime, the titular Angel repeatedly kills her love interest with a spiked club, before bringing him back to life.
Bludgeoning Angel Dokuro-Chan
In Rosario + Vampire, the human Tsukune Aono accidentally enrolls in this school for monsters
Yokai Academy
The last name of both Rudeus and Eris from Mushoku Tensei. Sounds like a type of animal.
Greyrat
The name of Asuka Langley Soyru's Eva from Neon Genesis Evangelion
Eva Unit 02
The name of the "Orphanage" that Emma, Ray and Norman live during the first arc of Promised Neverland
The Grace Field House
In FLCL, this is Mamimi's nickname for both Naota, Naota's older brother and a stray cat she found
Takkun
According to Akira Toriyama, the creator of Dagon Ball Z, the villain Frieza was based on people of this occupation, who he called the "Worst kind of people."
Real Estate Speculators
In Re: Zero, Petelguese Romanee-Conti, the final boss of season one, is the Archbishop of this deadly sin.
Sloth
In this anime that combines the Mecha and Harem genres, 3 citizens from a planet colonized entirely by men, are abducted by a crew of female space pirates.
vandread
In Deadman Wonderland, the titual Deadmen all get their codenames from different species of this type of animal
Birds
In "Don't Toy with Me Miss Nagatoro, this is Nagatoro's first name.
Hayase
In episode 8 of the anime Death Note, Ryuk asks Light if he wants to play a video game. In the original manga, however, he specifically mentions this Nintendo game.
Mario Golf
In the series Familiar of Zero, the country of Tristain is located on this continent.
Halkeginia
The Anime adaption of Parasyte came out in 2014. Over 20 years since the manga's original release in this year
1988
In the anime blood+. Saya Otonashi and her family live on what island in Japan.
Okinawa
In the anime Mitsudome, Futuba names her classroom's pet hamster Chikubi, which means this in Japanese
Nipples