Iwerks is a very important figure at Disney. It kind of sucks that his most famous accomplishments are credited to Walt Disney but at least now you all will know.https://www.waltdisney.org/blog/ub-iwerks-master-animation-and-technologyhttps://d23.com/walt-disney-legend/ub-iwerks/https://www.lambiek.net/artists/i/iwerks_ub.htmhttps://www.imdb.com/name/nm0412650/https://news.azpm.org/p/news-npr/2021/7/7/197019-walt-disney-didnt-actually-draw-mickey-mouse-meet-the-kansas-city-artist-who-did/https://www.britannica.com/biography/Ub-Iwerkshttps://tvtropes.org/pmwiki/pmwiki.php/Creator/UbIwerkshttps://disneyparks.disney.go.com/blog/2019/11/ub-iwerks-from-mickey-mouse-to-the-magic-kingdom/https://www.waltdisney.org/blog/making-101-dalmatians