Bonzo
From Tardis Wiki, the free Doctor Who reference
Bonzo was a toy monkey given to Gwen Cooper by her gran. Gwen named her after a famous gorilla. She had Bonzo when she was eleven, and still owned her after joining Torchwood Three in 2009.
Gwen discussed Bonzo with Jasmine Samuels, who had a toy rabbit called Sunny. (PROSE: Bay of the Dead)