WMG / ElfQuest

Bearclaw's wolf Blackfell and Fell from The Sight are the same wolf
Big black loners with similar names?

And in the second book, everyone says that Fell looked a lot younger than he should. A little palace-related interdimensional time-travelling is probably how Fell spent the time between the two books.

Jink is the daughter of Skywise and Timmain
She inherited her father's libido, her mother's shape-changing, and the silver hair from both.

Elves are descendants of humans
The planet they left is the planet they arrived at, thousands of years before they left.

Shuna might in fact be Timmain.
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