Vertex Arcade explains different methods for creating cartoony renders in Blender. Depending on your stylistic and performance needs, you can pick the best one for the task.
Chapters:
00:00 Intro
00:16 Inverted Hull Method
02:27 Materials
03:01 Vertex Colours
04:58 Texture Painting
06:03 Mesh Planes
07:14 Grease Pencil
10:53 Freestyle
16:00 Examples Combining Methods