He started as the pitcher man in 1954:

Then he came alive in the 70’s as a 6′ dude:

 Our Friend is Kool-Aid!

 Kool-Aid Man is the mascot for Kool-Aid, a brand of flavored drink mix.  The character has appeared on television and print advertising as a fun-loving gigantic pitcher, filled with red Kool-Aid and marked with a smiley face.  He is typically featured answering the call of children by smashing through walls and furnishings, holding a pitcher filled with Kool-Aid.