So this Robert David Steele made the notables?

"We actually believe that there is a colony on Mars that is populated by children who were kidnapped and sent into space on a 20-year ride, so that once they get to Mars, they have no alternative but to be slaves on the Mars colony," Steele told Jones, the founder of the controversial InfoWars website.

https://www.space.com/37366-mars-slave-colony-alex-jones.html