wikipedia lists links

all squids
https://en.wikipedia.org/wiki/Category:Squid

all legendary creatures per land

https://en.wikipedia.org/wiki/Lists_of_legendary_creatures

all greek gods
https://en.wikipedia.org/wiki/List_of_Greek_mythological_figures

fam tree:
https://en.wikipedia.org/wiki/Family_tree_of_the_Greek_gods

list of lists:
https://en.wikipedia.org/wiki/Category:Lists_of_lists

japanese portal:
https://en.wikipedia.org/wiki/Portal:Japan