i_adore_my_64.jpgThe Commodore 64–the best-selling personal computer ever made, and defining hacker gadget of the early 1980s–turns 25 this month, and you can celebrate the event with this deliciously retro t-shirt from ThinkGeek.

If that isn’t enough to quench your nostalgic thirst for C-64 goodness, here’s a few other gems: