If Ben 10 aliens had Devil Fruits (more in the comments) : r/Ben10

Steam Workshop::LA PP COS

Alien adventures Ben 10 20 Ben 10 coloring pages - Magic Fingers Coloring

Ultimate Eatle (CaT), Ben 10 Fan Fiction Wiki

If you could create an ultimate form to the rest of the OS aliens (with the exception of Wildmutt, Way Big, Artiguana and Greymatter) how do you imagine your powers and designs?

If you could add any ONE alien from a different franchise to the Omnitrix, which would it be, and how would Ben unlock it? : r/Ben10

december-2009

Ben 10 reboot continuation. I don't recognize any of these guys. : r/Ben10

Ben 10 Alien Fusion (Part 2) - The Devil Spirit - Wattpad

Licensing Source Book Summer 2019 by Max Publishing (London) - Issuu

april-2010

Aliens, Gods, And Girls!: OP! Omnitrix Wearing! OC X Massive Harem 2 - Fairy Tail!!/ To Hunt a Lich Dragon!!/ Part 2: The Train Ride - Wattpad

Ben 10: Ultimate Alien (Western Animation) - TV Tropes

Aliens if they had Devil Fruits : r/Ben10