LazyTown memes became an internet phenomenon primarily through the 'We Are Number One' music video featuring the show's antagonist, Robbie Rotten, played by the late Stefan Karl Stefánsson. The memes gained massive traction in 2016 as part of a collective effort to support Stefánsson during his health battle, with fans creating countless remixes and parody edits that dominated YouTube and Reddit. Beyond the music, LazyTown's surreal aesthetic, colorful characters like Sportacus and Stingy, and high-energy performances provided a goldmine for reaction images and situational comedy. Today, these memes stand as a heartwarming tribute to the show's legacy and the positive impact of its cast on internet culture.