lotusinhand - Love their cardistry bootcamp series, great way to start if you want to get into this stuff.
BBQ Pit Boys - BBQ, grilled, smoked, fried, etc, pretty self-explanatory.
Creative Sauce - Tutorials, reviews, showcases, for DAWs, plugins, etc, everything you need for home recording.
Athlean-X - Bodybuilding, strength, tone, general fitness tips, bonus points for anatomy lessons.
La Capital - More grilled, roasted, smoked, or fried food, this time in Spanish.
SCP Explained - Animations from the SCP wiki, both wiki entries and stories, pretty fun.
Tasting History with Max Miller - Recreating historical dishes and taking a quick look at their origin and any historical figures or events related to them.
Eugene Teo - More bodybuilding stuff, pretty chill explanations and exercises, a nice change from all the other LET'S GET BUFF channels.