Peter Chan of Herons Bonsai - Great beginner and intermediate information
https://www.youtube.com/@HeronsBonsaiUK

Bonsai Q - Intermediate to advanced concepts, Japanese with English subtitles, specialize in mini Bonsai
https://www.youtube.com/@bonsai_q

Jonas Dupuich Bonsai Tonight - beginner to advanced concepts
https://bonsaitonight.com/recent/

Dan Robinson Elandan Gardens - Advanced and Gnarly realistic Bonsai work
https://www.elandangardens.com/