Undyne, Mettaton EX, and Frisk from Undertale HD Wallpaper

Three characters from Undertale are depicted in a stylized anime art style. On the left is Undyne, a blue-skinned fish-like monster with red hair and an eyepatch, wearing a black suit jacket over a black bra and black pants. In the center is Frisk, a small child with brown hair, wearing a suit. On the right is Mettaton EX, a tall, slender humanoid with black and pink hair, wearing a white suit with a pink shirt and tie. Small colored hearts float around them.