It is possible that the Dero and the Tero (not to mention the HollowEarth) are pure fantasy, existing in the diseased minds of various individuals. Then again the RadioGuyinMexico could be lying.

Links

• http://www.jermainerogers.com/dero/dero_top.html
• http://seekers.100megs6.com/ufoman-brightspotbelowearth.htm
• http://www.davidicke.net/emagazine/vol10/articles/pics/dwellers3.html