I need to have one provider with different classes at fixed times on different days. I was told to

I need to have one provider with different classes at fixed times on different days. I was told to create dummy providers. This is well and good, but how can you create dummy providers without adding new WordPress users? https://premium.wpmudev.org/forums/topic/how-do-i-have-specific-times-for-a-specific-type-of-class-with-one-instructor-in-other-words-tuesday-at-10-am-is-gentle-yoga-wednesdays-at-5#post-508626