My Granma's version, sang to me in the early 60's went like this:
In China there lived a great man
His name was Chickerackerchechichochikororum, bumbtyorum paddy waddy wack
Ocko, ocko stick him on his bocko, itimy, itimy cherryrack
Here he comes and here he goes, the Chinese man with monkey's nose
Chickerackerchechicho