Trivia: Nurarihyon No Mago
- Hey, It's That Voice!: If you got the Drama CD, you will find that Rikuo become a sudden Large Ham whenever he's in his night mode, while Kana seems to be perky enough to form another afterschool club
- How could Rikuo run his organization without highly intelligent and freethinking servant Gyuuki?
- Tsurara is Nepgear and Naru.
- Seems Kubinashi gets to serve Rikuo again after the Zero Requiem event.
- ...And his partner Kejoro previously piloted a Dread, a Personal Trooper, a Gundam, and a Rune God.
- Meanwhile, Saji Crossroad seems to have joined Keima and Kusonoki as the Sanbagarasu.
- Well if that does not surprise you, be wary of their mother; lest she ''befriend'' you with the Starlight Breaker...
- Shoei seems to have many nicknames... or crest worms... or blades...
- Here's a surprise: The current Nuraihyon (Rikuo's Grandfather) is... AEOLIA SCHENBERG?!
- Gyuki is Kirei Kotomine, Diethard Reid, AND Edmond Dantes, even in the dub.
- Kiyotsugu is Koichi... and Kittan
- Aotabo is Ludwig
- Kurotabo is a SUPAH PAIROTTO!
- Zen is Kyon.
- Mezumaru, surprisingly piloted various Gundams as a main character.
- Princess Yo is Compa.
- Yura is Mimi
- As for her elder brother Ryuji... JUST WHO THE HELL DO YOU THINK HE IS?!
- And before we forget, Hidemoto is going to kill you... with his love spot AND his two spears.
- Tamazuki is the leader of the Seven Phantom Travelers of the Shikoku Youkai and is also a Tanuki.
- Simon also a part of his class.
- Gintoki is Zen.
- Tsurara used to be a hannyou kitsune named Hozuki in Otome Youkai Zakuro.
- Looks like Mikado has another badass group under his control. Gilgamesh, (Night Rikuo) however, has become king again!
- The Incubator Kyuubey has fallen in love with him.
- Tomohisa Kaname joins the fray as Mikado/Gilgamesh's loyal big bodyguard.
- Rin Tohsaka has also fallen in love with him.
- Kirei Kotomine became a loyal ally to him.
- Shirou Emiya really is hammy enough to go for a Youkai Patrol.
- Teacher Taiga is one of at Gilgamesh's attendants!
- The Narrator is Souichirou Kuzuki.
- Rider is Gyuki's mom.
- Shinji Mato has been deceived by Kirei once again.
- Masomi Kida is once again wearing a yellow scarf.
- Relationship Voice Actor:
- Yui Horie and Hiroki Yasumoto get to voice together again (as Rikuo's loyal bodyguards) in years since School Rumble, where Horie was Tsundere Ojou Eri Sawachika and Yasumoto was Hot-Blooded Large Ham Masakazu Tougou.
- Dub brings us a Fate/stay night reunion as we have Gilgamesh (Night Rikuo), Kirei Kotomine (Gyuki), Rin Tohsaka (Kana Ienaga), Rider (Hanako, Gyuki's mom), Shirou Emiya (Kiyotsugu), Shinji Mato (Kyuso), and Teacher Taiga (Sasami).
- Lelouch, Suzaku, and Diethard are all on the same side this time around.
- Charle is not longer a cat but a Yuki-Onna, who is ng with Lucy's rival and has captured Natsu's heart. With Elfman as Charle's fellow bodyguard.
- Talking to Himself: With Rikuo's human form and youkai form at the beginning of episode Two of the anime.