Board Thread:Ninjago Wiki News/@comment-36062903-20180703010609/@comment-30499831-20180705173302

Toa Kopaka Nuva wrote: I thought that Firstbourne confirms that Mr E was created by Harumi/The Sons of Garmadon.

I also highly doubt there will be a three part season. Harumi introduces him to Garmadon doesn't quite mean that.