I was going to suggest having hover text for the characters that just summarises what you already have in the separate bios page, but I've just remembered that

I was going to suggest having hover text for the characters that just summarises what you already have in the separate bios page, but I've just remembered that doesn't work on mobile haha. Adding faint text might help, though you have to keep accessibility contrast guidelines in mind :P Ultimately, this is just my viewpoint, and your website, so you should do what you feel is best haha