my fave show (since it forst aired in like... 2008) is merlin! i ADORED it as a kid to the point where i rarely missed an episode and i wrote spells down in my medieval looking dragon notebook and practiced them in the hopes i could do magic too lmao
i recently rewatched all five seasons w/ my bf bc he hadn't seen it all and after we finished i immediately wanted to watch it all over again ;w;
i guess it's influenced my OCs in the sense that i have an entire merlin AU so that's neat :'D also i rly love old fantasy stuff and medieval stuff so if i can make an OC around that i end up loving them a lot (like r'jhera, even tho he's from skyrim... the aspects of it are similar to what i like)
tho in saying that, besides the entire AU dedicated to it i don't think it's influenced my OCs too much at all? i do find them quite difficult to write unless they're FCs or modern funnily enough