Colored sprites for custom characters. PNG. Rukia. Custom Undertale Cast sprites. Sans Battle Sprite - Undertale Sans Pixel Art Grid. Demirramon added Custom sprites to Functions Board Undertale overworld mockup generator. Author. Is it possible to create my own sprite to replace Frisk and place it in the game? See more ideas about undertale pixel art, pixel art, undertale. I think down the line Toby may need to do the same thing. I have seen people replace Frisk's sprite with Chara's in YouTube videos. Custom Sans Sprites - Sans New Overworld Sprite. Here is a little preview of a custom soul I will use in a battle I am going to make (Just to show the souls you can make) ... And then replace the "red" with the name of your soul and then modify the sprites. Also: Custom colors for sprites. Profile Appearance. 2. AND MORE! ===== For a Skill to use the Undertale Battle System, place this notetag in it: