Yes - that is an excellent site, and one of the best arguments for archiving old sites that have fallen off the internet.
Some of the incorrectly-named films I’ve found were named that way because they are shorter excerpts of the original films that were made available for the home market. So they would change the name, usually to match the main skit featured in the film excerpt.
Definitely interested in seeing what could turn up from the Japan connection there. I know that Japan has a particular affinity for Felix, and there have been Felix releases there that were available nowhere else.
–SKot