Answer
In the "Get a Mac" commercials, Justin Long played the personification of an Apple Macintosh computer, embodying its user-friendly nature and creative capabilities. Through his witty and charming portrayal, Long effectively contrasted the Mac with the "PC" character, played by John Hodgman, highlighting the advantages and unique features of Apple products. The commercials' popularity made Long synonymous with the "Mac" persona, further establishing his image as a comedic actor.