“I’ve been associated with them 14 years, 10 years on the payroll, and you never see me much in commercials and what not,” Santelli said. “Boy, has that changed in the last 36 hours.”

A former trader and financial executive, Santelli said he appears on CNBC about 12 to 16 times a day and typically goes off a couple times a week.

“I’m just a fired-up kind of guy and it’s all spontaneous,” he said.