Demonpluto X. Smither's mom

Demonpluto X. Smither's mom is a large, huge prairie dog who's the mother of Demonpluto X. Smither

Kill Count
Demonpluto X. Smither - 1 (A Bit of a Prairie Dog)

Tunak Tunak Tuned Party - Possibly over 60 (A Bit of a Prairie Dog)

Trivia
She is one of the mommy characters, the first was Giggles'Mom

She is the first character mom to kill his son by an accident.

She might be based off Futility from da Smittia Phillips aka Nathan Phillips's Smittia's Futility who is a game from Newgrounds.com and Maxgames.com. Which she was a mom master girl and the fan-character of the year on April 16, 2010 (where Lammy's first episode premiered)