Hildegard / Hilda (Beelzebub)

Hildegard / Hilda  is a Demon that serves as Beelzebub IV's wet nurse. She is also one of the main protagonist of the series. In Chapter 122 she was last seen voluntarily captured to be taken back to the Demon World by Jabberwock on Sodom. However in Chapter 123, it is revealed that there are plans to make Hilda Master En's wet nurse after Isabella's gang were fired.

Hilda is an attractive young woman with blonde hair that covers one side of her face and is tied in a bun, green eyes and a well endowed chest. Her clothes are mostly elegant and black with frills and white quillings, thus resembling Lolita Fashion. She is seen wearing other outfits on a few occasions. One occasion being right after she wakes up, where she was wearing a modest pink night gown with her hair down.
In one chapter, she was shown wearing a yukata while playing with fireworks along with Lamia.
When Hilda was shown to wear a Yukata.
Added by Rawr.Chan
When she infiltrates Oga's current school she dresses in the Saint Ishiyama High uniform, though she complains that the shirt is "a little tight."