AuDHD here so I'm an oddity of both sides.
I'm a tourist. TF Prime is what hooked me the most until that comic series. 😄
Godzilla, I watched some of the movies, but got hooked by the cute kaiju fanarts.
Halo I liked a bit from... Shady places. 👀
WH40k I just really love orks, MOAR DAKKA and WAAAGH 😅