He would kick people off roofs and then heal them.
He would taunt his teachers, perform tricks and break things.
Long ago the Christian Canon wasnt set until around 300 ad by the church. Fanfictions circulated like mad, with fake miracles. About ten fanfictions to every book in the bible but most were destroyed by the church as being heretical. Only the most popular ones that the church could use to extort money survived probably.
Except we found shreds of the old tales, for a glimpse into the chaos of early Christianity with myriad sects, and alternate revelations. The gospel of thomas, mary, and jusas all sat alongside the four gospels.