Scary (3.5e Feat)
From D&D Wiki
Allows the animal to scare things off with it's might
Prerequisite: Str 17,BAB 6 or more
Benefit: Allows you to use your strength modifier instead of Charisma modifier for Intimidate.
Normal: You use your Cha mod for Intimidate.
Special: If your strength is above 30, you can take this as a free feat.