Thread:Venomblazer/@comment-104549-20180617182745/@comment-104549-20180625223527

That is some grade-A research by Sebolto. Absent any stronger claim, I'm prepared to accept that as "the source" for Evo. Once you've incorporated that and made your conclusion as to whether you can claim copyright as a derivative work, you should be good to go.

Then there's just the rest...