These Characters are from the official mod.
Milk - D-Side.
Sonic Mini Comic.
https://www.canva.com/design/DAE6VhC8EJg/D_7-BoguQVYMzMl8O3R1lQ/view?utm_content=DAE6VhC8EJg&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton
More Characters in D - Side: https://youtu.be/2Klph_kGiGw