If you’re a big NASCAR fan, you know Dale Earnhardt Sr.’s nickname. The story of stock car racing can’t be written without mentioning “The Intimidator”.

But what was he called as a child?

Earnhardt’s son, soon-to-be-fellow-NASCAR Hall of Famer Dale Earnhardt Jr., provided the answer in a tweet Wednesday afternoon. And, well, you might be surprised by Dale Sr.’s childhood nickname.

Take a look:

Buster?!

As far as childhood nicknames go, “Buster” is relatively benign. We’d love to know who — if anyone — was bold enough to call him that during his adult years.

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Thumbnail photo via RacingOne/Getty Images