The male Feraligatr and the females Grovyle and Charmander are from Nintendo's Pokemon and this screenshot's taken from Valve's Garry's Mod.

Brother-Sister Team - Feraligatr, the oldest, always team up with his sisters, Grovyle, the middle, and Charmander, the youngest.
Crazy Prepared - They all learn the same moves of: Aerial Ace, Brick Break, Rock Slide and Swords Dance.