In between Larry Semon and Robert G. Vignola who is now remembered mainly for working with both Stan Laurel and Oliver Hardy?
Larry Semon:  In his day, Semon was considered a major movie comedian, but he is now remembered mainly for working with both Stan Laurel and Oliver Hardy before they started working together. Robert G. Vignola: Robert G. Vignola (born Rocco Giuseppe Vignola, August 5, 1882 – October 25, 1953) was an Italian-born American actor, screenwriter and film director in American cinema.
i don't know