Rob on Twitter: "It's the 10th Anniversary for both Generator Rex and Ben 10: Ultimate Alien! I wish I had time to draw something for it, but it needs a shoutout! What
Angel DMM on Twitter: "Ben 10/Generator Rex: Heroes United; before & after... In honor to their 10th anniversary. It's a redraw of this promotional artwork of Ben Tennyson & Rex Salazar changing
![Rob on Twitter: "It's the 10th Anniversary for both Generator Rex and Ben 10: Ultimate Alien! I wish I had time to draw something for it, but it needs a shoutout! What Rob on Twitter: "It's the 10th Anniversary for both Generator Rex and Ben 10: Ultimate Alien! I wish I had time to draw something for it, but it needs a shoutout! What](https://pbs.twimg.com/media/EWTSoR0U4AAO1dg.jpg)