B1 and B2 are a pair of twin bananas who are the main characters of the show, Bananas in Pyjamas. They are funny and like to help others, but they sometimes get into trouble. To get an idea, the bananas somewhat bump into each other and say their catchphrase:

B1 and B2

B2: Are you thinking what I'm thinking B1?

B1: I think I am B2

Both: It's (Bananas' idea) time!

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