It’s been over 30 years since “Tommy Boy” hit movie theaters across the country — and Rob Lowe is just now publicly stating he wants some credit!

The actor had an uncredited role as Paul in the 1995 comedy film starring Chris Farley, David Spade, Bo Derek, and Brian Dennehy — but Rob insists that needs to change — immediately! — in an open letter to Paramount Skydance CEO David Ellison.

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Rob posted the letter to his X account Thursday night … and we must admit, it all sounds like a joke. Kicking things off, Rob mentions among the “long-standing, important, and unresolved issues” is his lack of credit on “Tommy Boy.”

He then discusses how it’s an “atrocity” committed by a previous regime at Paramount and a blemish on the company’s legacy. Rob continues to say … he and others urge Ellison to “be on the right side of history and rectify this heinous act, with the addition of: “and Rob Lowe as Paul” above title.”

As we mentioned … it all sounds very tongue-in-cheek … but perhaps Rob has held onto some resentment about it over the years and is only now addressing it with comedic flair.

We’ll have to see where this leads … if anywhere.