Anubis

In Mythology
In Egyptian Mythology, Anubis is the god of embalming, afterlife, and mummification. He is also known as Inpu and his Greek name is Ἄνουβις. He is portrayed with the head of a Jackal. His other duties lie with overseeing the weighing of the heart. His parents are Nephthys and Set. He lives in The Land of the Dead. There he weighs a soul's heart with the Feather of Truth to determine if your heart gets eaten by Ammit the Devourer.

In the Story
Prior to realising who he was, Sadie Kane had saw him twice in her Ba form, once when seeing Osiris get tricked, and the other when visiting Nut. The third time Sadie, Carter, and Bast visited him in order to obtain the feather of truth. Bast had run away after being tackled by him in jackal form, leaving only Sadie and Carter. He gave Sadie the feather of truth after asking her three questions with the feather in her hand. It was speculated that when Anubis turned human only Sadie saw his human face, being that Carter claimed he still had the head of a Jackal upon turning in to his human body. It is unknown if it was glamour (like Bast had used in the airplane) or something else. He also appears toward the ending of the book to guide Sadie and Carter to see their parents and to see Horus get crowned. It was also revealed that his mother, Nephthys, gave him to Isis and Osiris, leaving him to never meet his father, Set. Throughout the book, it displayed that Sadie beared a certain attraction to him.

Appearence
In his jackal form, Anubis is described as sleek, black, and graceful. As a human Anubis possess a pale complexion, tousled black hair, and brown eyes. He wore black jeans, combat boots, a ripped t-shirt, a gold chain, and a black leather jacket. His ears stuck up a bit like a jackal's.

Romance
Anubis seems to harbour romantic feelings for Sadie, if she is the first mortal to ever see him in his natural form. Thoth told Sadie and Carter that Anubis was only in a good mood once every millennia or so, when Bast called him a "dog" he was in a bad mood, but when he was alone with Sadie, he was in quite a good mood.