Both were very welcoming and genuinely liked helping their customers
Nobleman of Extermination
It is unclear what specific relationship the Konami-kun in this route has with Antinomi, but while the Konami-kun in 4 was a member of Team Satisfaction, in the Placido route in 5, Konami-kun is mentioned as an old-fashioned duel machine 200 years later that raised Aporia as a child, so the Konami-kun in 6 has some kind of relationship with Ilyastel, and Antinomi is also, strictly speaking, a robot with the real Antinomi's memories implanted in it, so that data is used
In addition to this extreme value engine, anything Anikthea copies will be a 3/3 creature with menace
Classic support cards come into play which can work for both standalone versions of the archetypes
"Blue-Eyes" and its references to destruction and power could represent Seto Kaiba and his vanity