- This card's exclusive promotional holographic key card, (26a/46) version was included in the Shadowclash Collector Tin.
- This card's promotional (M12/Y1) version was released by McDonald's, through Kids Meals.
- Mongrel Man has a light counterpart, Mist Rias, Sonic Guardian.
- This creature has a Super Card version, Super Trash Train, Fuuma Devil.
- Mongrel Man wears two bracelets with the image of the set printed.
- Mongrel Man considers Exploding Cactus as being disgusting.
- Mongrel Man may be the source of the Vacuum Gel.
- This card has a short Japanese name that only consists of 2 Kanji characters, similiar to the 2016 Calendar creatures, Forbidden or Fate.
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