- This card is based on, and resembles, a valve.
- "Barbaroid, the Ultimate Battle Machine" has the highest ATK and Level out of all the "Vehicroid" monsters.
- It also has the second highest DEF, beat only by "Super Vehicroid - Mobile Base".
- The original Fusion Material Monsters of this card are: "Ein Roid" + "Zwei Roid" + "Drei Roid" + "Vier Roid" + "Fünf Roid", whose names are German for the numbers 1 through 5.
- This card's Fusion requirements make it appear as a "Roid" counterpart to "Five-Headed Dragon".
- This card bears a slight resemblance to "Road Synchron", as well as "Meklord Emperor Granel".
- This card is the first Level 12 EARTH-Attribute monster, as well as the first Level 12 Machine monster.
- This monster appears in the artwork of "Ultimate Machine Union".