
Karl Fei-Ong
                                
                                Karl is one of Diva's Chevalier and the chairman of the all girls school in Vietnam that Saya attends. He is later revealed to be the mysterious phantom of the school who gives out blue roses to his victims. After losing his arm to an out-of-control Saya during the Vietnam War, Karl became obsessed with reenacting the encounter. This obsession eventually proves to be his undoing.
                                                        
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                                                        Blood+Supporting TV
 
                                                
                                                Sasaki, Nozomu
Japanese 
                                                
                                                Flynn, Quinton
English 
                                                
                                                Araújo, Márcio
Brazilian 
                                                
                                                Eom, Sang Hyeon
Korean 
                                                
                                                Vári, Attila
Hungarian 
                                                
                                                Matus, Edson
Spanish 
                                                
                                                 
            
        