nostr:npub1vhejnzsyudej8vf6yp33fmtckhwen3xczv3w9quwtpmk357z5eysf433f8 

At least one guy seems to have made an online career out of having sportscaster voice without actually being a sportscaster: https://www.youtube.com/watch?v=Z_-ItwAA60U

It's closely related to newscaster voice: https://www.youtube.com/watch?v=CuOqpOpXRxU