Prince Mamuwalde, played by William H. Marshall, is a character in the films Blacula and Scream, Blacula, Scream.
Blacula[]
In 1780, Prince Mamuwalde is sent by the elders of the Nigerian Ibani African nation to seek the help of Count Dracula in suppressing the slave trade. Dracula, instead, laughs at this request and insults Mamuwalde by making open overtures about enslaving his wife, Luva. After a scuffle with Dracula's minions, Mamuwalde is bitten by Dracula and transformed into a vampire. Dracula then curses him with the name "Blacula" and imprisons him in a sealed coffin in a crypt hidden beneath the castle. Luva is also imprisoned in the same crypt and left powerless to help until she finally starves to death.
In 1972, the coffin is purchased as part of an estate by two homosexual interior decorators, Bobby McCoy and Billy Schaffer and shipped to Los Angeles. Bobby and Billy open the coffin inside a Los Angeles warehouse only to become Blacula's first victims. At the funeral home where Bobby McCoy's body is laid, Blacula spies on mourning friends Tina Williams, her sister Michelle, and Michelle's boyfriend, Dr. Gordon Thomas, a pathologist for the Los Angeles Police Department. Blacula is startled to notice that Tina appears to be the reincarnation of his deceased wife, Luva.
Blacula continues to kill and transform various people he encounters, including Nancy, a photographer at the nightclub where Dr. Thomas, Michelle and Tina celebrate Michelle's birthday, and where Blacula shows up to return Tina's purse she dropped the night before.
Blacula visits Tina at her apartment, and shares with her how he and his wife Luva were enslaved by Dracula, and how he was cursed into vampirism. Tina initially rejects Blacula's request for her to rejoin him, as he believes Tina to be Luva reincarnated, but Tina is also beginning to fall in love with him, and asks Blacula to stay the night with her.
Eventually Dr. Thomas and Blacula briefly struggle, but Blacula nearly knocks Thomas unconscious and flees, killing a police officer in a nearby alley as he escapes. After reports of seeing Bobby McCoy walking the streets of Los Angeles come in, Thomas, Lt. Peters and several police officers track Blacula to his hideout, the warehouse where Bobby McCoy and Billy Schaffer were first slain. They locate a nest of several vampires there, including Bobby McCoy, and destroy them, but Blacula manages to escape.
Blacula uses his vampiric powers of hypnotic suggestion to lure Tina to his new hideout at a nearby underground chemical plant, while Thomas, Lt. Peters and another group of police officers pursue him. Blacula dispatches several of the officers, but one of them accidentally shoots and mortally wounds Tina. To save her life, Blacula transforms her into a vampire. As Blacula proceeds to brutalize many police officers, one of the remaining policemen locates the coffin and alerts Dr. Thomas and Lt. Peters. However, Peters kills Tina with a stake, believing that Blacula would be in the coffin instead. Devastated at losing her again, Blacula tells Thomas and Peters there is no need to pursue him further, and willingly climbs the stairs to the roof where the morning sun destroys him.
Scream, Blacula, Scream[]
After dying Voodoo queen Mama Loa chooses adopted apprentice Lisa Fortier as her successor, her arrogant son and true heir Willis is outraged.
Seeking revenge, he buys the bones of Prince Mamuwalde, otherwise known as the vampire Blacula, from the former shaman of the voodoo cult and uses voodoo to resurrect the vampire to do his bidding. However, while it brings Blacula back to life, he bites Willis upon awakening. Willis now finds himself in a curse of his own doing: made into a vampire hungering for blood and a slave to the creature he sought to control.
Mamuwalde meets Justin's girlfriend Lisa Fortier at the party and he discovers that Lisa is naturally adept at voodoo. Lisa discovers Mamuwalde's true nature after her friend Gloria falls victim to his bite and is resurrected as a vampire who nearly feeds on her, if not for Mamuwalde's intervention. He later asks her for help to cure him of his vampire curse.
Lisa refuses to help Mamuwalde after she witnesses him kill the other police officers in the house in a fit of rage.
After realizing that Lisa is no longer willing to help Mamuwalde, he rejects his human nature and decides to convert Justin into a vampire. Shouting he is only "Blacula", Lisa stabs the prince's voodoo doll with Justin's arrows repeatedly. Mamuwalde screams out in pain from Lisa's voodoo doll attacks, but his final state is left ambiguous.