Joseph is one of the main characters, who is a lone, mysterious figure who serves as a Demoniac hunter and is often seen either talking to Elea or whittling a statue of the Virgin Mary.

Ability:
In his Demoniac form, Joseph can make use of an energy whip, which he can also turn into a narrow-bladed sword. He uses the GARM motorcycle (masquerading as a Yotsubishi custom model), which he can fuse with once transforming.

Source:Wikipedia