Assertion: protagonist's character | /r/HasProperty | vivian darkbloom
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text: He also makes cameo appearances in some of his novels, such as the character "Vivian Darkbloom" (an anagram of "Vladimir Nabokov"), who appears in both Lolita and Ada, or Ardor, and the character Blavdak Vinomori (another anagram of Nabokov's name) in King, Queen, Knave.