Original sentence: However, it was revealed that Sprang was Kane's  favorite of "ghost".Sprang's Batman was notable for its square chin and expressive face.Sprang's name never appeared on his Batman work during his career, due to stipulations in Bob Kane's contract which stated that Kane would have sole credit as Batman's creator, regardless of whether he worked on any particular story
Edited sentence: His trademark was the use of oversized versions of everyday objects, often used in an imaginative fashion by the Caped Crusaders.Sprang's Batman was notable for it square chin and expressive face.Sprang's name never appeared on his work during his career, due to stipulations in Bob Kane's contract.The opening credits to the 1960s television series are drawn in his style.This contract stated that Kane would have sole credit as Batman's creator, regardless of whether he worked on any particular story