Wendy's soft-spoken and reserved, usually deferring to Peter to do most of the talking. However, when she does speak, she presents herself in a mature manner, such as when she comforts Beast. Like the other first-string circus members, she's very concerned with completing the tasks set out to them by Baron Kelvin and seems to have no qualms about kidnapping or murdering individuals while accomplishing these tasks. She cares deeply about the other first-string circus members, perhaps more than she cares about Baron Kelvin; she is most attached to Peter, as she's almost always in his presence. Wendy, originating from the East End, speaks in Cockney English.Wendy grew up in an alley in the East End, referred to as a gutter, with the other first-string circus members (minus Snake). Joker stated that they came together because they were each defective in a way. In Wendy's and Peter's case, they are trapped in children's bodies. For this reason, even though they seem to be the youngest of the circus members, they may actually be significantly older; this has been hinted at, such as when Peter called Doll, who appears older than both Peter and Wendy, a child. Ten years ago, Doll rushed up to Joker one day with a tooth in her hand. She gleefully exclaimed that it fell out, believing that she'd later get a coin from the Tooth Fairy and promised them that she'd buy them all bread afterwards. Unbeknownst to her, Wendy, Joker, Beast, Dagger, Peter, and Jumbo proceeded to work on manual chores earnestly all night long in order to earn a single coin for Doll. They were relieved to see they made it on time as they placed it beside her whilst she was sleeping. The next morning, an oblivious Doll showed off her coin to them, stating how happy she was that they could eat bread with it and an exhausted but happy Wendy laughed along with her. However, in the belief that the Tooth Fairy would give her more coins, Doll later attempted to take out more teeth that weren't wobbly, to the dismay of the others. As thieves, they were unsuccessful, and they barely managed to survive. At some point, Baron Kelvin found them in the alley and brought them to Renbourn Workhouse. After living there for some time, they decided to start a circus, and Wendy and Peter formed the trapeze act.