I found the truth on undertale yellow *eu encontrei a verdade no undertale yellow*

Digital falls!

Esse bob esponja ta estranho

"Bro show us your dance moves!"

Sonic:

Paper bill cipher

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Thanks @JACK-O-WEST-GAMES and @Dark_Charlie_Bork_The_Hedgehog

Paper bill,paper flowey,paper baby bill

the skringly skrunkly funkly bunkly boi

Sleep well baby bill