(http://img3.wikia.nocookie.net/__cb20150712202446/yugioh/images/6/6c/FullJackAtlas%28ArcV%29.png)
(That's totally not a Yu-Gi-Oh! card in his hand, stop imagining things)
Name: Cero Kirguis
Age: 16
Main Clan: Narukami
Avatar Card: Dragonic Kaiser Vermillion
Side: Good
Personality: Cero is an arrogant foreigner, knowing nothing of and caring little for the customs of Japan. New to Japan, he lacks friends, and does not wish to seek them. Instead, he seeks those whose strength can compare to his own, those he can call genuine "rivals." He is obsessed with becoming the greatest Cardfighter in the world on his own terms, and believes that fighting those stronger than him is the only way to achieve this goal.
Background: Originating from Europe, Cero was born to a fairly wealthy family. They weren't quite rich, but they had enough money to spoil their several children. Among them, Cero was the middle child, but spoiled the most regardless. This led to the development of his superiority complex, and what allowed him to begin his competitive Vanguard career at a young age. Though, this did cause his brothers to hate him for being the 'favorite child.' He had far more money than he knew what to do with, and eventually invested it in various games. To him, the most exciting game available was Cardfight!! Vanguard. No other game gave him quite the same rush, and before he knew it, he had accelerated to the top of the Vanguard pyramid in his area, reaching the National level at the age of 10.
Over the next 6 years, he continued to grow, and won the European championship three times in a row, granting him the title "King of Vanguard." With this title, he was offered an opportunity to move Japan. He took this opportunity, grateful to escape his family and find new challenges in the home of the game he had been named King of.
Hana Espoir: +4
Spoiler
Some insane woman I met after getting off the train. She used a lot of weird words, and a mermaid deck, and kept telling me to go to the hospital for some reason. Ironically, she was the first cardfighter I met and the last obstacle between me and the top of the Vanguard world, an obstacle I had been unable to overcome.
Hikari Espoir +2
Spoiler
Another insane woman who claims to talk to her cards. She uses a Royal Paladin deck like I do, only hers is based on Blaster Blade and King of Knights Alfred instead of Snogal and Fang of Light, Garmore. She's extremely and rude and has managed to defeat me twice, earning her the title of the King's Rival.
Satoshi Kurosaki +1
Spoiler
Someone I met in the Regional qualifying tournament. The man was weak, defeated 2-0 by me. I felt he wasn't worth my time, and left without saying a word after the match.
Jellal Kisaragi +1
Spoiler
My opponent in the semi-finals of the National tournament. This man had defeated my rival, the one who should have been my opponent here. However, I knew that if I defeated him, that would mean I had finally surpassed Hikari. Initially, I underestimated him, hardly believing he was the one that defeated my rival, but in the end he was a formidable opponent who almost managed to defeat me.
Miyuki +2
Spoiler
Initially encountered at a Ramen shop a couple of months ago, we didn't interact much. However, recently, she helped me escape the despair I was in due to Neu Edelweiss.
Ighanna -2
Spoiler
She disturbed my nap on my only day devoted to relaxation....
Neo +1
Spoiler
Although a copycat, he was quite a capable Cardfighter, who was able to push me to my limits before I was able to defeat him.
Neu Edelweiss +10AP
Spoiler
Although I initially hated her, in the end we were quite similar. We fought each other with all the strength either of us could bring forth, and in the end, she managed to win. Though I lost my one friend to her, she showed me a power beyond any fighter in the world.
(http://vignette3.wikia.nocookie.net/typemoon/images/d/d4/GilCasual.png/revision/latest?cb=20141019091022)
Note: The change of eye color is a side-effect of Vermillion's Evolution into "THE BLOOD"
Name: Cero Kirguis
Age: 17
Main Clan: Narukami
Avatar Card: Eradicator Dragonic Descendant/Dragonic Kaiser Vermillion (not in deck)
Side: Good
Personality: After the events of Season 2, Cero changed significantly. Although he still chooses not to seek friends, he now values people for more than just their strength. Unlike his old self, he pays attention to the potential of others and is willing to help them achieve that. Cero now shouts less, and is more respectful of others, though is still quite arrogant. He currently seeks the power to surpass that shown to him by Neu, and achieve the ability of "Generation Stride" without assistance from outside sources.
Biography: After During the year between the events of Season 2 and 3, Cero traveled the world while waiting for his building in Japan to be completed. He traveled across the world, his fame from being one of the 5 champions to save the sealed clans granting him special privileges. When the building was completed, only a month before Season 3 began, Cero returned to Japan. The building was equipped with the latest technology, and designed for training cardfighters from around the world to reach the heights of their potential.