<P> Puck, also known as Robin Goodfellow, is a character in William Shakespeare's play A Midsummer Night's Dream, based on the ancient figure of Puck found in English mythology . </P> <P> Puck is a clever, mischievous elf, sprite or jester that personifies the wise knave . In the play, Shakespeare introduces Puck as the "shrewd and knavish sprite" and "that merry wanderer of the night". Puck and Bottom, jesters to Oberon the fairy king, are the only two characters who interact and progress the three central stories in the whole play . Puck is the one who is first introduced in the fairies' story and creates the drama of the lovers' story by breaking up a young couple lost in an enchanted forest, as well as by replacing Bottom's head with that of an ass . Similarly, Bottom is performing in a play intending it to be presented in the lovers' story, as well as interacting with Titania twice in the opening dialogue of Act 2 Scene 1 as "he". </P> <P> The audience is introduced to Puck in Act 2 Scene 1 when one of Titania's fairies encounters Puck: </P>

Who is described as a shrewd and knavish sprite