I'm not usually one to complain about names like tumblr that omit the last vowel before the ending r, but those usually omit an e. For some reason omiting an o

I'm not usually one to complain about names like tumblr that omit the last vowel before the ending r, but those usually omit an e. For some reason omiting an o this way makes my brain stumble over it, every time it reads the name.