Dr. Manatom appears just like Atomix. However, his body is mostly a pale blue instead of white, with several blue details instead of green. The studs along his body are also golden, and his nuclear energy is cyan.
Dr. Manatom wears the Hero Watch on his belt.
Dr. Manatom has the powers of his species.
Dr. Manatom has the weaknesses of his species.
- In Store 23, Ben 23 transformed into Dr. Manatom and defeated Vilgax 23.
- In Life of a Depressed Ego, Dr. Manatom was defeated by Exo-Skull.
- In My Hero 23, Dr. Manatom battled against Speed-o-Sound Sonic.
- Dr. Manatom's name is meant to play on Ben 23's naming convention of "Man," along with "atom," and Dr. Manhattan.
- Dr. Manatom's cyan nuclear energy is similar in appearance to that of his namesake.
|Alan's Free Use Aliens|
|Original Aliens||Calmybara | Christmas Pine | Crane Fly | Gift Chomp | Level-Headed | Mad Hatter | Poison Dart | Mantis Shrimp | Reverbatim | Simpleten | Snot Goblin | Spectrock|
|Fusions||ChamAlien X | Grey Arms | Heatblastrodactyl | Slapbolt | Way Big Chill|
|Ultimate Forms||AmpFibian | Armodrillo | Jetray | Slapback|
|Omni-Enhanced Forms||Alien X | Big Chill | ChamAlien | Echo-Echo | Goop | Grey Matter | Gutrot | Humungousaur | Jetray | Kickin Hawk | Mole-Stache | Ripjaws | Snare-Oh | Spidermonkey | Swampfire|
|Omni-Kix Forms||Bullfrag | Fasttrack | Nanomech | NRG|
|Ben 23 Aliens||Dr. Manatom | Teenage Alien Windy Turtle | Water Botter|
|Mad Ben Aliens||Stealth Killer|
|Omni-Spell Forms||Four Arms|
|Antitrix Aliens||Bangolin | Brickhouse | Dream Reaper | Fobwatch | Geneius | Hazmatron | Speedline|