He had been a performer with the circus show for more than 15 years.
The three victims of the fatal pursuit were all Nelson locals.
The Sydney physician is charged with careless driving after he and five others were injured.
Almost 50 other passengers were injured in the high-speed accident.
Motorists on the Napier-Taupō road were forced to swerve out of the way.
The train was taking Republican members of the US Congress to an annual retreat.
He was carrying a metal oxygen cylinder that was pulled by the machine's magnetic field.
Doctors say the 13-year-old was "one millimetre" from death.
This comes after 13 serious motorcycling accidents since the start of 2018.
The opening of two trampoline parks in Christchurch led to a surge in injuries and trips to the hospital.
American tourist remains missing as jumps start up again at Queenstown skydive company
The 19-year-old was also disqualified from driving or holding a licence for 18 months.
Three bodies have been recovered, leaving 29 crew members still unaccounted for.
Three others have been transported to Tauranga Hospital with serious injuries.