I just watched The Secret Life of Pets, and wow, there was a lot to take in.
First off, let me say that I LOVED the character of Gidget. She's so peppy, so excited, and determined... Yes. Excellent job on her.
I think Snowball is similar to Angel from MLP:FiM. If you know either character, you'll know why.
I loved the easter eggs they threw in, like the poster for SING.
I didn't realize Tara Strong provided some "Additional Voices" for the movie, but I was pleased to see her name in the credits.
And finally, I feel like the game Gang Beasts takes place in the same universe as this movie, and nothing you can say will make me change my mind.