Photoshop / Drawing tutorial resources

Recently, I started looking into drawing portraits and cartoons. Here are a few resources of people that inspire me in the way they teach online or in their style of work.

Aaron Blaise  (https://creatureartteacher.com/)
On YouTube: https://www.youtube.com/user/AaronBlaiseArt/videos

Kienan Lafferty (KNKL)
On Youtube: https://www.youtube.com/user/KienanLafferty

Randy Bisshop (www.facebook.com/randybishopart)
On Youtube; https://www.youtube.com/channel/UCYDPQzY0vr8Ft-eV6vqmbdw

Robert DeJesus (http://robertdejesus.tumblr.com/)
On Youtube; https://www.youtube.com/results?search_query=robert+dejesus

Jim Madsen
http://linesandcolors.com/2012/05/21/jim-madsen/