The first wesen not to appear in Nick's family books.
At 36:05 Hank knocks on door #305 representing season 3 episode 05.
Opens with the quote "Duérmete niño, duérmete ya...Que viene el Coco y te comerá." "Sleep child, sleep now...the Bogeyman will come and eat you." from a Spanish lullaby. First opening quote presented in a language other than English.