The iconic masked grunt from the hit videogame, Half-Life 1. He's been in many Valve games, like Half-Life 1, and uh... Half-Life: Source I guess.

He's everyone's favorite Hazardous Environment Combat Unit, Adrian Shephard!

-G_MAN jailed Adrian_Shephard98 for griefing.

Note: I didn't give him a fully accurate backpack because if I did, it would look like a massive chunk of diarrhea.