Blender 2D Animation Basics for Beginners - Grease Pencil UI, Tools & Your First Sketch

Blender 2D Animation Basics for Beginners - Grease Pencil Effects and Compositing

Blender 2D Animation Basics for Beginners - Keyframes & Animation Basics

Grease Pencil in Blender 5 - New Pen tool and Sharp Corners (and some common Grease Pencil issues)

[Blender] Grease Pencil Tutorial

Create Hybrid 2D/3D Rig | Blender Grease pencil