George Ovey starred as "Merry Jerry" in more than 100 Cub Comedies from 1915 to 1917. He stood with both of his feet pointed inwards just like a later Jerry.
Here is a few production stills, ads and articles for the series.
An Oriental Spasm (1915)
Jerry's Busy Day (1915)
The Hold-up (1915)
Taking a Chance (1915)
Jerry in the Movies (1916)
Jerry's Big Game (1916)
Jerry's Millions (1916)
Be Sure You're Right (1917)
Jerry's Brilliant Scheme (1917)
As clever reveal gag opens an unidentified Ovey comedy from 1917.
This is an older and wiser Ovey in a Three Stooges comedy.