So you thought you knew all there was to know about Punch-Out!! on the NES. You know the code to get to Mike Tyson/Mr. Dream. You know how to beat King Hippo by punching his mouth, then his stomach.
You probably didn't know that there's someone at ringside to help Little Mac in his rematches with Piston Honda and Bald Bull.
Reddit user midwesternhousewives discovered that, in the World Circuit fights against those two, there's a member of the audience (with a sweet beard for 1980s 8-bit standards) that actually tells you when to go for a body blow to get an instant KO.
It's a secret that hadn't been discovered for almost 30 years.
Check out the video for yourself: