Standing only at 5’9”, Isaiah Thomas is shorter than the average American male but has caught the NBA by storm this season, averaging a league-record 9.89 points in the fourth quarter, earning him the nickname “The King in the Fourth.”

While it seems like he’s untouchable in the final frame, Thomas had a very humble beginning, having been doubted his whole career thanks to his small stature. But the guy who came into the league without any hype turned himself into a two-time All-Star and briefly entered the MVP discussion, helping guide the Celtics to their best season since 2010-11. So how much do you really know about the pint-sized point guard? Here are 15 things you may not know about Isaiah Thomas.