 English actor Chris Coxon played the role of SpongeBob . Coxon was a fan of the series and said " If I 'd been told a year ago that I would be playing SpongeBob today I would have loved it , although I 'm not sure I would have believed it . " Coxon admitted it was difficult to adapt the show into a musical . He remarked " It is difficult because you are trying to recreate this character that is so fluid on screen . For example I 'm just getting used to my square costume , although it does have an incredible design , so that , although I am restricted , I can do a lot of the things he does in the cartoon . " 
