AAAHH!!! Real Monsters (1995) was a line by Mattel released in conjunction with Mattels partnership with Nickelodeon. The deal saw Nick Toons in figure form from 1995 until 2001.
This line of Real Monsters figures was a 11 figure assortment of only one series. Included in the lonely series of monsters was The Gromble,
Sproink & Groink,
While all figures can be considered rare at this point, the most valuable are the primary characters of Krumm, Oblina, Ickis, and The Gromble.