Shark Tank investor Kevin O'Leary believes in being "ruthless" in business. He believes one should be "willing to fire their mother" if the business demands it.

Shark Tank investor Kevin O'Leary, who is also famously known as Mr. Wonderful by many, chimed in on his fame and told Chris Cuomo during an interview that many people do not know his real name.

Shark Tank's Kevin O'Leary joined the former White House Press Secretary Dan Parino during an interview on Fox News.