Hot take: Thunderfang is the worst major DR villain we've gotten so far (and here's why)

Now of course, Thunderfang isn't DR's overall worst villain, that title still firmly belongs to Dorama and Bleckt. But I'd go as far as to say that he's on Rapton's level of terrible writing, in the sense that they both could easily work, but the writers just end up missing the mark with them. My first problem with Thunderfang is that we know way too much about him almost immediately. The season literally STARTS with a random exposition about who Thunderfang is and why we should care, instead...