* This card is a Cover Card for Cybernetic Revolution and Dark Revelation Volume 4.
- Interestingly, Cyber End Dragon's DEF is equal to Cyber Twin Dragon's ATK. Also, Cyber Twin Dragon's DEF is equal to Cyber Dragon's ATK.
- This card looks like Blue-Eyes Ultimate Dragon, and it requires three of the same monsters to Fusion Summon it, just as Blue-Eyes Ultimate Dragon does. It also resembles Blue-Eyes Shining Dragon.
- This card has the second highest ATK with the Pierce effect after Ultimate Ancient Gear Golem.
- There is a "Malefic" version of this card.
- This card is featured in the artwork of "Fusion Buster".
- The 3 Cyber Dragons fused in this card have different head designs in the artworks of Cyber End Dragon.
- This card's appearance may be based on Mecha-King Ghidorah.
- Uniquely, this card couldn't be summoned using three Cyber Dragons as it is Semi-Limited. However, as of September 1st, with the September 2010 Forbidden/Limited Lists, Cyber Dragon returns to its Unlimited status, allowing Cyber End Dragon to be Summoned much easier. It also allows Cyber End Dragon to be Summoned with Future Fusion, which was previously the signature method of Summoning Cyber End Dragon.
