Pip Squeak is a mouse that appears in WarioWare: Twisted!. Its name is a pun on the term "pipsqueak", referring to someone who is both small in stature and annoying.
During Wario's stage, as Wario is lifting weights in his home, Pip Squeak scurries around. He intentionally trips Wario and laughs as he falls. Wario becomes enraged and tries attacking him with a nearby broom, though the mouse outruns him. While chasing him, Wario hits a large watch into the air. Right as Wario manages to trap Pip Squeak, the watch lands on top of Wario and he gets stuck inside, while Pip Squeak keeps laughing at him. After completing the microgames, four small Warios jump out of the watch, and Pip Squeak proceeds to chase them. The four of them manage to outrun him and jump into the watch, at which point a single, normal-sized Wario jumps out. Wario then kicks the watch at Pip Squeak, who laughs as the watch misses him. However, the watch ricochets around the house until it lands on Pip Squeak, at which point he becomes stuck in it, much to Wario's satisfaction.
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