From Chaotic Henchmen Productions comes Motley Jerks, a collection of pre-made characters for 1e/OSRIC for use in tournaments and the like.
Not just the characters, but all the fiddly details, proficiencies, age, spellbooks, languages,
OTOH, need personalities or background? Well, you're outta luck there.
Also curiously, most demi-humans are single-classed. That was something of a rarity in tournament modules (or even just in games), part of the point of demi-humans is they can multi-class (and also because single class thieves just suck)