Sun Wukong's childlike playfulness is a huge contrast to his cunning mind. Its main characteristics are its musicality and playfulness. "The Invisible Boy" is a mixture of lighthearted playfulness and menacing evil. As adults, they are quieter, but they still retain a playfulness and lifelong curiosity. Frankel added that a playfulness and humour have also found their way into Deacon's collections. This may be accomplished by communicating a sense of playfulness or irony. Ackroyd uses typical postmodern techniques, such as playfulness, intertextuality, pastiche, metafiction and temporal distortion. In popular culture monkeys are a symbol of playfulness, mischief and fun. The novel's farcical elements make use of punning and similar verbal playfulness. Psychogeography is an exploration of urban environments that emphasizes playfulness and "drifting". Belon attributed these curiosities to "playfulness of Nature". Nabokov's fiction is characterized by linguistic playfulness. Blunt is also known for his playfulness and obfuscation. Folds also receive high marks for playfulness, grooming and intelligence. And he was notable for his playfulness.