The reptilian theory is an amalgamation of different theories.
No dear friend...it is simple bullshit from the mouth of an illuminati plant. To call it "theory" is to give it credibility.
Many religions and many cultures such as Aboriginal culture in Oz talk of a giant serpent that shaped the land called "Waggle". Perhaps I could claim it as possible? Of course I will be universally laughed at...hence Icke and his idiot followers...