There is a lot of documentation about things that don't actually exist.
Someone 2000 years ago made a joke and people just kept running with it. Look at the world now. Lol.
the evidence is there if you did the research you would find out that he did IN FACT exist and was crucified by roman soldiers
weather or not he died for your sins & inherited the kingdom of heaven is up for debate but his existence as a historical figure isn't
no matter what your opinion is