gacha

he doesn't have to change his name actually.

"David" in David Blue Book is デイヴィット. Daybit is デイビット. Both ヴィ and ビ has same sounding. His name and Blue Book's name are literally the same in JP lol.

If theory is true, we've been translating it wrong the whole time and missed the joke of ヴィ and ビ.

“Hey, Asto. That Hippogriff… That’s mine, isn’t it?”

Roland
“Roland, I think it would be good if you followed the example of my elder brother Renaud even more. Are you listening to me?”

Merlin
“To unexpectedly be honoured with your great words even in the present! Bradamante is being inspired! They’re real!”

Rogero
“Where are youuu? I have a hunch that he’s here somewhere.”

Fou
“As expected, Fou… That presence… Not only that, but there’s also Lord Merlin’s presence… As expected, Rogero…?
“Hey hey, Fou, is it ok if I have a moment of your time?… Hey, don’t run away, don’t run away~!”

Mandricardo
“Waah! Mandricardo! Mumumu, a strong person who possesses Lord Hector’s armour, Roland’s enemy… Eh? You’re now my comrade who has the same Master as me? Is that so? Then, let’s fight together!”

Hector
“Great Ancestor! That’s right, the Great Trojan Hero Hector is the Great Ancestor of Rogero and I!”

Charlemagne
“Your Majesty! Your Majesty! Your Majesty~!!”

Knights of the Round Table
“Awawawawa…! There’s no knight in medieval Europe who doesn’t long for the Knights of the Round Table of that King Arthur. Of course, Bradamante also admires them!”

Artoria Pendragon
“The Great Knight King! Ah, this lady is the Knight Among Knights…”

Arthur Pendragon
“Another Great Knight King!”

I wonder if this is a good time to point out that "Daybit Sem Void" is just an anagram for "Symbiote David"?