He's the hard-nosed hot-blooded chef who's been known to leave My Kitchen Rules contestants shaking in their boots.
But Colin Fassnidge insists that, despite his brutal feedback and forthright honesty, he is a nice guy.
"I am actually a nice person," he tells AAA Weekend with a laugh.
"I think I'm actually a lot nicer than I was last year.
"But put it this way, if someone gives me a good dish, that's good, but if someone gives me a bad dish the standards don't change from my own restaurant kitchen to the (show).
"I get annoyed if someone destroys a good bit of produce, like a good piece of fish or lobster."
In tonight's episode, which airs at 6.30pm on Seven/ GWN7, the Dublin- born chef steps up to guide the contestants in a first-time food-truck restaurant challenge which sees them divided into two groups and pitted against one another as they cook a three-course meal for paying diners.
Fassnidge says he wanted to push the contestants to their limits to see how they'd cope under pressure.
"I try and push them as far as I can without breaking them too much," he says. "It's a massive prize at the end and I try to make them earn it."
Having tasted his fair share of dishes served up by past MKR cooks, Fassnidge admits that the contestants and their foodie creations get better and better each year.
"The actual standard of food is far better this year," he says. "But there are some shockers as well."