The frog is the only critter that spawns underground. It can’t be tamed and can jump a little over 1 block high.
(90%) 1-2 Frog Leg
(50%) 1 Frog Skin
(20%) 1-2 Frog Eye
(5%) 1 Small Healing Potion (During development, the frog was a hostile mob)
 Texture & size
The frog changed textures slightly in v1.2, but it was always the same size. It currently has 2 textures. Its walking/resting one is 20x12 pixels while its jumping one is 22x16 pixels.
The frog has an ambient sound: frog-ambiento and a death sound: frog-dieo.