Just the right image, by any Otter name

“Vault Case” didn’t make the cut.

Nope, recalled Curt Richardson. “We wanted an animal. We wanted something that portrayed the outdoors.”

And so continued the brainstorming session with wife Nancy during a drive to Denver. What to call the line of waterproof boxes and cases for mobile devices that Richardson had begun developing in his garage in 1991.

“We were thinking Hammerhead Case and Seal Box” but those didn’t roll off the tongue or convey the message quite right either, said Richardson, founder and chairman of the Fort Collins-based company that would be named OtterBox, in a video released this summer that has…