Spike Grown Up

The first scan features the adult version of Spike Witwicky (who appears to be shamelessly posing for a beefcake shot) from Transformers: all Hail Megatron #09. Eat your heart out, Shia Labeouf!

And here's a screencap form the Transformers Generation 1 animated series, featuring a teenaged speedo-clad Spike.