So, I was reading “Tondemo skill de isekai hourou meshi” and there’s this Fenrir named Fel. It clicked to me that aside from Fel not being a unique name, it was the first and last syllable of Fenrir. (Feru=FEnriRU)
Another one is the Byakko’s name. Byakko is spelled as 白虎. Kohaku meanwhile is spelled as 琥珀. It’s not exactly the same characters but wordplay is wordplay.
RPGNovels 
The same as from the Smartphone series, Their Byakko’s name also as Kohaku.
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