IT World writes: "People just can't get enough of Old Spice Guy's YouTube responses to tweets from everyday users, celebrities, magazines and even Old Spice Guy's alter ego. The Internet meme kicked off on Tuesday when Old Spice's Twitter account was commandeered by Isaiah Mustafa aka the Old Spice Guy. "Today could be just like the other 364 days you log into twitter, or maybe the Old Spice man shows up @OldSpice," the initial tweet read. Clad in nothing but his now-signature towel, Old Spice Guy has shown off his amazing stamina by offering about 50 YouTube video responses a day. Here's a look at five of the best Old Spice Guy YouTube videos I found."