If last generation has Shoaib Akhtar, today it’s the Mitchell Starc. Mitchell Starc is fastest bowler of this generation and have best yorker in the world.
Mitchell Starc was highest wicket-taker in ICC World Cup 2015 and ICC World Cup 2019. Starc bowled a 160.4 kph delivery to Ross Taylor during a test match against New Zealand at WACA, Perth, a few years ago. It was the fastest in Tests and 4th in all time fastest balls.
Other mentions are Billy Stanlake, Navdeep Saini, Naseem Shah, Lahiru Kumara, Anrich Nortje etc.