User blog:Cokedragon/Incurseans

After misconception for the past several years, it's been revealed that the frog-like species of aliens that invades planets and betrays people (even of their own race) back and forth is spelled Incursean.

http://dwaynemcduffie.englishboard.net/t130p350-qa-with-matt-wayne#6395

This comes from Matt Wayne, a writer for the Ben 10 franchise since Alien Force.

Derrick J. Wyatt had previously confirmed this as well. I will look for that proof and post back.