He met the pair during Ming 's first invasion attempt of Earth and traveled with them to Mongo to try and close the trans - dimensional portal .
Doctor Hans Zarkov : Flash and Dale 's elderly , balding scientist ally .
Hans Zarkov met the pair during Ming 's first invasion attempt of Earth and traveled with them to Mongo to try and close the trans - dimensional portal .
Doctor Hans Zarkov : Flash and Dale 's elderly , balding scientist ally .