When turned around, his surname, Tobihari, is read as "Chouhi", which, in turn, is the Japanese pronunciation of Zhang Fei, a Chinese military general serving Liu Bei, and, his forename, Ekitoku, is the Japanese pronunciation of Yide, Zhang Fei's courtesy name, references to his profile.
His dub name, Dan Fei, is derived from Zhang Fei, which is also a reference to his profile.