Complex sentence: Falk was said to have invented the name Mandrake the Magician coincidentally; though there is no written contract, both parties verbally agreed to cross-promote each other, with the result that Mandrake the Magician became recognized throughout North America.
Split into simpler sentences: Falk was said to have invented the name Mandrake the Magician coincidentally. Though there is no written contract, both parties verbally agreed to cross-promote each other with the result that Mandrake the Magician became recognized throughout North America.