While it does depend on the budget, it's also the general feedback fans had from the first film. That being Wade Whipple had more attention in a TV series based on Knuckles than Knuckles had himself.
But they also could pull this: You don't want Wade, okay, we heard you.
Now let's have his sister instead.
The adventures of Wanda Whipple and Tikal.

Say what you want about IDW Sonic comics, I appreciate Sonic Team allows their characters to have boobs in the comic, where Rouge looks more slimmed down in the games.


That's true.
I don't hate IDW Comic, if I remove my nostalgia google I'll admit I like it a lot lot better than Archie comic.