Himegami has red hair which is tied in two braids with two ribbons in the front and grey eyes. He is always wearing a mask and tries to tell Nagi to call him "Princess God". He wears a butler's uniform.
In the manga, shown in a childhood photo from when he was little, he appears to be dark-skinned with dark hair, and also had a scar on his cheek.
He has yet to make an appearance in the manga, judging from the way Nagi and Maria speak of him, it was hinted that he quit due to a problem related to Nagi's personality traits. Neither Nagi nor Maria seem to want to elaborate on his departure. Also with references from the first volume he was close to Nagi. He wrote a book on how a butler can acquire a one-hit kill technique, but later Nagi burnt the book (due to jealousy of Hayate mentioning Hinagiku). Maria addresses him with the title "-kun", which means he is probably around Hayate and Maria's age.
In chapter 225, Sonia Shaflnarz mentions that there are rumors indicating that he might have been fired for trying to steal the treasure of the Sanzenin family that is associated with the King's Jewels. During a conversation between Athena and Mikado in chapter 241, it is implied that he is somewhat involved with those two. Athena indicated that both Himegami and her were being used by Mikado, while Mikado stated that the three of them were accomplices in the crime of pursuing the power of God. Himegami's appearance during his childhood was finally revealed in chapter 370 and was confirmed by Sakuya before Isumi burned the photo.
In episode 34 of the anime, he makes his appearance, but with his face obscured by the shadows. He returns once more in episode 38 wearing a mask. In episode 39 his face is shown. In the anime, it is stated he was fired from his position rather than him personally resigning, and it is implied that it is partially because he always hits Nagi back after she would hit him, because she won't listen to his advice to defeat the ungrateful heathens. He also insists that he be called "Princess God" (in English) rather than Himegami, which is a direct translation of his surname. He is seen holding a banana in the second opening of Hayate No Gotoku!
Before the tankōbon versions release Himegami originally made a brief appearance on the bottom panel at the end of Chapter 146 but was later taken out and replaced with the panel of Hayate and Nagi holding hands.