From: Something Sweet Bites Back

"Diamond Tiara had to pull her legs up on the seat as a pool of thick pink slime quickly spread on the floor of the limo. When he was finally done, Filthy Rich slumped to his side, blood seeping from his empty eye sockets and his liquefied innards drooling from the toothless crimson chasm that had once been his mouth."

"The pile of ooze on the floor began to rise. Three tendrils spread, two dividing into five smaller tendrils while the largest tentacle in the center swelled and split into many hair thin tentacles. The gelatinous creature shifted its form further, its lower body dividing into two stumpy legs with rough feet. The two smaller tentacles became slender arms with delicate hands, and the central tendril roughly took the shape of a head atop slender shoulders with a crop of long messy hair."

"As Diamond Tiara draped herself protectively over her fathers form, she didn't see a new expression cross the monsters face.

It was a wide grin made of seven glowing stones, two forming rudimentary eyes and the others the thin mouth, each a different color of the rainbow..."

The only thing is, 'Candie' isn't a pony.
I drew her as a pone cause I wanted to. :3