Alas, there are no photos of young Fester, but here’s one of young Jackie Coogan: http://www.gettyimages.com/detail/news-photo/american-actor-jackie-coogan-in-costume-as-he-appears-in-news-photo/522768343?esource=SEO_GIS_CDN_Redirect#american-actor-jackie-coogan-in-costume-as-he-appears-in-the-movie-picture-id522768343
Alas, there are no photos of young Fester, but here’s one of young Jackie Coogan: http://www.gettyimages.com/detail/news-photo/american-actor-jackie-coogan-in-costume-as-he-appears-in-news-photo/522768343?esource=SEO_GIS_CDN_Redirect#american-actor-jackie-coogan-in-costume-as-he-appears-in-the-movie-picture-id522768343