I didn't know i never post this ones before here.
These are Mr. Valve fanarts, the 1998 - 2006 version (also known as Open Your Eyes). i made this ones when i was in High School around the same time i made the Gordon one, the bottom one is the first one i made and the top one is the upgraded version.
Half-Life's development circa 1997:
Gabe Newell wants to make his own version of Doom. They got the tech, ideas are flourishing.
The game needs a roster of enemies
Chuck Jones: silly and exaggerated 90's action designs.
Ted Backman: creates Mr. Friendly.
Mr. Friendly: