Mr. Grooberson is a character from the new Ghostbsuters film, Ghostbusters: Frozen Empire and is played by Paul Rudd. The film follows The Spengler family as they return to New York City, specifically the iconic firehouse we know from the original Ghostbusters. An ancient artifact is found and releases an evil force that brings on a second ice age, but both the new and old Ghostbusters are there to stop it together.

To dress like Mr. Grooberson, wear a red puffer or parka jacket, khaki coveralls, a khaki military or tactical style belt, and black combat boots. Attach a custom Ghostbusters name tag to the front of the jacket, either using your own name, or Grooberson. Attach the classic ghostbusters logo patch to the arm, and wear a ghostbusters proton pack (backpack), whether that be a replica pack or a costume backpack.

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