Enjoy the music! :)
Mwah Ha Ha! It's-a me, the GREAT Luigi! "Mwah Ha Ha!" is Luigi's Overworld theme in Plushtale, and "Ghosttrousle" is his battle theme! CREDITS Toby Fox - Nyeh Heh Heh!/Bonetrousle Nintendo - Luigi's Mansion Theme, in fact just Luigi and Luigi's Mansion as a whole. Thanks to Toby Fox for making Undertale.
