Richter

Race: Vampire
Age: Unknown
Eye Color: Dark red
Hair Color: Dark green

Richter appears to many as lovesick and can be very pretentious shown as he will do anything Cordelia asks him to do just to gain her love and attention. Richter can show a few signs of being arrogant in someways as shown when he compares his strengths and powers to that of the Sakamaki brothers.

(Source: Diabolik Lovers Wikia)