Taking the former leader of the Saviors down, Beta prepares to kill him in revenge for the death of Alpha, but is attacked by Daryl who stabs Beta through both eyes. Beta flashes back on his life as a Whisperer before he is devoured by the horde, a fate he gladly accepts.

Did Negan know who Beta was?

We also find out that Beta in the series is a celebrity like his comic book counterpart. He is the singer known as Half Moon. Alpha and Negan recognized him.

Who kills Beta in The Walking Dead?

In season 10 episode 16, de facto Whisperers leader Beta, played by Ryan Hurst, was killed by Daryl Dixon as the heroes fought back and wiped out the gigantic horde. Beta had furiously charged at Negan, who had killed the Whisperers' previous leader Alpha, but failed to see Daryl approaching behind him.