Mark Cuban is embroiled in yet another feud with a high-profile ego, this time trading tweets with Donald Trump, adding to his laundry list of enemies that has grown quickly in his time as an NBA owner.
Grabbing the wheel of the Dallas Mavericks in 2000, Cuban didn't waste much time turning his team into a perennial winner, throwing together a series of 50-win clubs and racking up fines for this and that along the way.
Cuban is a very outspoken man, and when he gets riled up, players, referees, coaches and analysts can become targets of his verbal wrath.
Whether or not he's in the right is beside the point for Cuban; he's merely concerned with getting his point across and hoping that he doesn't end up facing the same problem twice.
His constant courtside presence will be a staple at Mavericks games for years, as will his screaming, yelling and habitual tantrums.
It's annoying, it's bothersome, it's nothing but Mark Cuban.