Got a few links debunking the 'Jesus is a rip off of pagan gods' myth:

https://strangenotions.com/horus-manure/

https://youtube.com/watch?v=30AunYXtYDg

https://youtube.com/watch?v=8q9OciPnMFg

https://youtube.com/watch?v=5FR08QtvapM

https://coldcasechristianity.com/writings/is-jesus-simply-a-retelling-of-the-horus-myth/

https://www.washingtoncitypaper.com/columns/straight-dope/article/13042590/straight-dope-debunking-the-jesus-debunkers

https://www.gotquestions.org/Jesus-myth.html