Board Thread:Wiki Operations Questions/@comment-1678571-20141022220218/@comment-5951231-20141023142855

The Fiveman were teachers of different subjects. (FiveRed was a science teacher, Yellow was a music teacher etc.)

Goggle V were ancient super-science from lost civilizations. (i.e. Atlantis and such). Though modern fans confuse them as "that rhythmic gymnastics team" due to their weapons.

I was referring to themes that repeat every decade. And you are correct in pointing out that if there is a pattern, it is not just Dino, Car, Ninja. But that one so far is the most consistent.