I was thinking about this the other day, the fact that we don't know Penny's last name.... Also, Leonard's middle name is "Leakey" after Louis Leakey of Lucy fame...
Art by manga artist Ren Hidou. I have to admit that I don't know what this is from or what it's about but it is so beautiful and I am unbelievably impressed
The Familiar of Zero Adventure Fantasy Romantic Anime Manga | Zero no Tsukaima F | Zero no Tsukaima Chevalier - Princesses no Rondo - Favorite Anime Manga