He was known for rubbing his fellow Apprentice candidates up the wrong way
The Apprentice's Karthik Nagesan is now living in the Celebrity Big Brother house.
The businessman was one of the candidates who battled it out to be Lord Alan Sugar's new business partner last year.
The 34-year-old once described himself as "the next billion dollar unicorn" and was known to rub his fellow contestants up the wrong way.
But how will he got on with his new celebrity housemates?
Here's everything you need to know about him...
Businessman Karthik, 34, owns an IT Consultancy company and hails from Northamptonshire, as is as well known for his monobrow as anything else.
He previously cited his role model as Alexander the Great because he is a master strategist and a brilliant tactician.
He believes he is firm yet polite, making him the ultimate ‘human magnet’. He says: “If I wanted to be like everyone else, I’d have waxed my monobrow.”
Karthik competed on last year's Apprentice in a bid to team up with Lord Sugar.
He was well known for his monobrow, cocky attitude and many cliches.
Karthik said during his time on the show that he'd "make a good Prime Minister" and promised that he'd never pluck or shave his eyebrows.
He said: "I’ve got a nice big monobrow, for the last ten years people have been telling me, pluck it out, be like everyone else.
"But Karthik – or the Big K – is not someone who is like everybody else, everybody else wants to be like Karthik.
"I am competitive as a leader, I believe in being an emperor not a tyrant, so when I enter a certain social scene I immediately take up the leadership role whether or not the crown is placed on my head."
Karthik was fired after seven weeks on the show, and since then, he's been one of the guests on BB spin-off show Big Brother's Bit On The Side.
He was brought into the CBB house after Real Housewives Of Chester star Dawn Ward pulled out.
A Channel 5 source told The Sun : "Dawn may have done reality TV in the past but she got cold feet about doing CBB."
They added of Karthik: "He’s a real character and will really shake things up.
"He says what he thinks and will be a real asset to the house."
* Celebrity Big Brother airs nightly on Channel 5Read more at mirror.co.uk