Through Puck's mischievous, quick witted, pranks, and transformations, he triggers the most memorable moments in Shakespeare's play "A Midsummer Night's Dream." Puck is a minor character whose presence makes a difference in keeping one's attention. This mischievous fairy complicates things with pranks that propel main plots of the play. Puck's fun loving humor, and deliberate pranks are what added interest to the play. The first impression gathered from Puck, don't get on this guy's bad side, or he will get you when you aren't paying attention. Shortly, after these spoken words, "Sometime a horse I'll be, sometime a hound, a hog, a headless bear, sometime a fire; And neigh, and bark, and grunt, and roar, and burn, like horse, hound, hog, hog, bear, fire, at every turn" (3.1.102-105). Bottom was changed into a human-donkey hybrid. Terrorizing the mechanicals in the woods began. Puck is the barrier to unfortunate mistakes, but never really takes responsibility for them. Puck may seem harmless, but demonstrates the capability of cruel tricks for the sake of his own personal enjoyment. Puck's function in this play is to produce comical effects and change by his usage of magic. Puck is perhaps the most important character in the play. The deliberate prank on human characteristics (transforming Bottom's head into that of an ass) and magical mistake (smearing the love potion on the wrong person's eyes) make him the unforgettable character of the play. Since Puck is a fairy, he is small in appearance compared to humans. Most fairies are considered to be beautiful but Puck is an exception. Puck is portrayed to be somewhat bizarre looking. Puck is considered to be fast, he's described as a "sprite" in Act 2, Scene 1. Puck makes it known that he can run around the world in forty minutes to find an herb that Oberon has requested act 2 scene 1. Puck stands out from the fairies. He is very noticeable compared to lots of the other fairies that ar