Vollibear needs an update, come stick your ideas here with me.
I'll be honest, I despise vollibear. he just feels bad, he feels bad to play, he feels bad to play with, he feels bad to play against, and he feels bad to play around. he has stupid levels of damage and tank, but his skills don't give him reliable ways to go in and deal that damage.
the problem is, when I think of a bear, I don't think of some lumbering runner slapping you around and occasionally biting you, I think of a BEAR! and a BEAR! is what vollibear is not.
things he definitely needs lose the bite and attack speed. this is not bear. give him a maul, give him damage based on health, give him more resists on low health or something but just please lose the slappy bites.
have his charge allow him to pass through minions and gain more speed over time as well as granting some tenacity, and instead of flipping, I'd love him to just bowl through the enemy so he's a tanky discount hecarim more than a tanky discount singed. it just feels bad how a single wayward slow can cripple this bear almost instantly.
so far that's my sensible ideas
a more out there idea is when you put out the update, give volli a rider. and by rider I mean another champion that can ride volli into battle and cover his weaknesses. xayah has rakan, tahm has his belly, why can't we go full golden compass and have an armored bear rider? it could be a new champion or one of the existing ones to be updated with him, but it'd be pretty cool for like a slow squishy high damage champion that could have a tanky loping bear mount with the downside is he just took your carry into battle and if he dies he's dead fast.