This hack changes the default appearances of most of the wrestlers in this game, to make them look more accurate to their real life counterparts during that time period.
The author created an Help Wanted Ad for this hack, because there were stuff they couldn’t do. You can check it out here to see what they need help on: https://www.romhacking.net/forum/index.php?topic=37923.0
Database match: Virtual Pro Wrestling 64 (Japan).z64
Database: No-Intro: Nintendo 64 (v. 20210220-053642)
File/ROM SHA-1: F9E9FA2ED819C3A39DB5CB6AFECA186F021DB5ED
File/ROM CRC32: E6651803