More: Boomer is a BIG BOY and a gentle giant. He loves everyone and every other type of animal he sees. Boomer loves to swim in any water and dives in head first. He swims underwater with his whole head under the water. It's a funny thing to see. We have never heard him growl at anything. We don't even know if he knows how to growl! Boomer is truly a sweet and gentle soul for a big boy! We love him dearly.