I use a Red Moa for various reasons. It can buff your party with Fury (20% Crit) and also has attacks like the tripple one that is good for stacking up might when you use Rampage as One.
Lots of Dungeon encounters I find my pet just getting killed quickly, so sometimes I just keep my Moa next to me for buffing.
I have a Murellow instead of a bear. It is quite tanky just like the bear but it has a poison AoE combo field that I find better than the bears “Shake it Off” (Even though some encounters this ability is priceless, just switch to it on those encounters ^^)