Sparkchaser
A couple of guys, Nikola Tesla and Mark Twain, used to do that all the time. See: 5 Historic Nikola Tesla images explained.

Here Tesla is burning the nitrogen of the atmosphere. The result is a discharge of 12 million volts by an electrical oscillator. You can see Tesla sitting there right in the middle of all of it. (1899)

Mark Twain in Nikola Tesla’s lab. Here, Twain is holding the loop over a resonating coil. The high-voltage frequency current is being passed though the human body to light the lamp. Tesla is in the background at the switch. (1894)