DUFFED created by @moikey
The Simpsons: Underground Mayhem is now owned by @chriss-gaming-86983294

Are you even surprised this has been updated again...

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The Simpsons and its characters are righteously owned by Matt Groening.
Undertale and its characters are righteously owned by Toby Fox.

This is an Undertale & The Simpsons mashup.
This was mainly a shitpost idea but I think it's slowly starting to turn into something big ;)

This AU was created in 2017 and is now rebooted so I'm able to create a decent soundtrack for it!

The Simpsons: Underground Mayhem - DUFFED (Alt Version)

The Simpsons and its characters are righteously owned by Matt Groening.
Undertale and its characters are righteously owned by Toby Fox.

This is an Undertale & The Simpsons mashup.
This was mainly a shitpost idea but I think it's slowly starting to turn into something big ;)

This AU was created in 2017 and is now rebooted so I'm able to create a decent soundtrack for it!

--Main Roles-- 
Frisk - Gino 
Terwilliger Flowey - Krusty The Clown 
Toriel - Marge Simpson 
Sans - Homer Simpson 
Papyrus - Bart Simspon [El Barto] 
Undyne - Ned Flanders 
Napstablook - Lisa 
Alphys - Professor Frink 
Mettaton - Principal Skinner 
Asgore - Mayor Quimby 
Asriel - Milhouse 
Chara - Sideshow Bob 
--Minor Roles-- 
The Annoying Dog - Santa's Little Helper 
Muffet - Apu Nahasapeemapetilon
Grillby - Moe Szyslak

The Simpsons: Underground Mayhem - DUFFED (Alt Version)

The Simpsons: Underground Mayhem OST