Nancy Fieder sent in this great fatty! He's an Ornate Horned Frog, also known as a Pac-Man Frog (because they have such a big mouth!) Bell Frog, or Argetinian Horned Frog.
You can read more about keeping these types of frogs as pets in the Species Care Page.
If you'd like to have your frog featured as Frog Of the Month,
please read the Frog Of The Month! Entry Instructions