This person keeps calling and does not stop his childish behavier, and has been given a verbal warning TO STOP CALLING!!
What ever this person by the name "John" thinks jis doing  will NOT be  taken lightly.
Could be a scammer or a prank,but when you keep calling, ,it becomes  very serious
This Is What We Call Criminal Harassment!.
CRIMINAL CODE OF CANADA
CRIMINAL HARASSMENT
Prohibited conduct: 264. (1)
No person shall, without lawful authority and knowing that another person is harassed.
Subsection (2) Prohibited conduct: Repeatedly communicating with, either directly or indirectly, the other person or anyone known to to them.
REPORT FILED WITH TORONTO POLICE VERBAL WARNING GIVEN  ALL RECORDED AND  DOCUMENTED.