Hello there!
Both mine and Rewound 101 are actually just using the same free to use sprites by Elzee that was released under Creative Commons license for use in free games on Lemmasoft. Because of this, you may find many games that are using the same sprites. You can find these sprites posted by the artist here; https://lemmasoft.renai.us/forums/viewtopic.php?f=52&t=28377