Obviously, The Den of Tools but also,
1. Jimmy Diresta (maker of anything wood, leather and metal, restorations of old machinery are just a few things he does.) Very talented person and fun to watch!
2. Nick Zammeti (mostly wood turning with unique materials like resin, check out his colored pencil pot.)
3. VCG Construction (Awesome tool reviews, tool testing and tool store tours)
4. Heath Knuckles (an Incredible wood turner, makes amazing works of art with wood and resin)