Yogi Why Yogi?

Why is this character named Yogi?

yogi n: a markedly reflective or mystical person (from the Merriam-Webster Online Dictionary)
Was it after Yogi Berra? No, although that Yogi is one of the sages of our times.

Was it after Yogi Bear? No, although he's obviously no Boo Boo.

Swami wasn't serious enough and guru wasn't goofy enough. Yogi sounded right.