I've heard of Guardian and WTNV, but never thought they could go together!
Honestly I can't say they're naturally compatible at all, but alas for them I've brought my glue gun and am ready to cause chaos XD
Other options:
Re: Guardian/Welcome to Night Vale because why not; Shen Wei/Zhao Yunlan, Cecil Palmer (mentioned)
I've heard of Guardian and WTNV, but never thought they could go together!
Honestly I can't say they're naturally compatible at all, but alas for them I've brought my glue gun and am ready to cause chaos XD