Expansion This needs a stretch. (Feel free to remove when satisfied of completion.)
Needed: Other versions (GBA and DS).

Alvin Wiener was a member of the failing rock band called Def Potato. He impersonated the Guitar Ghoul, trying to ruin the reputation of the competition.

Physical appearance

Alvin is a tall Caucasian male, with long brown hair, accompanied by a soul patch. He wears a red T-shirt and blue jeans.


Alvin id a fan of music, especially that of the Guitar Ghoul, who he was the self-proclaimed "biggest fan" of. He also does not like dogs, as he is shown to make negative remarks towards Scooby-Doo.


Scooby-Doo! Unmasked (GC/PS2/Xbox)

Alvin Wiener unmasked

Alvin unmasked.

When the gang investigated the theme park based on the Guitar Ghoul, they found Alvin, who pretended to be his biggest fan.

The gang soon caught the fake Guitar Ghoul, and found out that Alvin wanted to destory the from the inside because he saw the failure of his band on the success of the Guitar Ghoul (who in reality was the disguise of Nikki Starlight).[1]


Other versions

Scooby-Doo! Unmasked (GBA)

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Scooby-Doo! Unmasked (DS)

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Alvin Wiener (GBA)

Alvin in the handheld versions.

  • In the handheld version he wears sunglasses and a blue t-shirt.
  • The name of his band, Def Potato, could be a reference to the band Def Leppard.


  1. Black in the handheld versions.


  1. Scooby-Doo! Unmasked (GC/PS2/Xbox)
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