Real estate agent who sells the haunted mansion to Blacula.
Gordon and Michelle are romantically involved while investigating the murders.
Michelle attends her birthday celebration with her boyfriend, Gordon Thomas.
Thomas becomes Mamuwalde's principal investigator and human adversary.
Thomas studies the unusual deaths, recognizes vampire folklore, discovers the photograph showing Mamuwalde's invisibility, and confronts him at Tina's...
Tina is part of Gordon's social circle before becoming connected to Mamuwalde.
Tina joins Michelle and Gordon at the nightclub, and Gordon later rushes to Tina's apartment after identifying Mamuwalde as the vampire.
Thomas directly destroys the reanimated Billy.
When Schaffer's corpse rises and attacks him, Thomas drives a stake through its heart.
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