I had to try using GreasePencil rigging with sound to curve in the Graph editor to make Seto Kaiba Speak.
Post effects were added in After Effects and Photoshop. You can see the original setup in the GP viewport.
I tried to use as many new features from the GP refactor. Found them amazingly great to use.
So if you’d like to check his animation, scroll to the end of the linked video (that video will also help you to render in Blender headlessly).
And people say, Blender can’t do Anime. hahhah.