Like most internet denizens, you are likely familiar with Nyan cat, the Pop Tart-ensconced feline who soars through space on naught but rainbows and LOLs. Nyan cat has inspired fanart, vastly improved Slipknot music videos, served as a calling card for a Lulzsec hack of the PBS website, and now, helped generate a Captain America mashup where the First Avenger rushes into the most adorable hail of bullets ever. [Via Reddit]