A hippie kid back in junior high dubbed me "Waldo".
As a fan of Robert A. Heinlein, I accepted the name.
When I tried to use Waldo as a screen name I found that it is usually in use.
So I'm theotherwaldo.
Nothing, really. I was a screen name that I took years ago when I regularly visited The Fedora Lounge. It sounded kind of 1920s mob-like, which I associate with fedoras. Then I just kept it as I joined new forums.
My University had a fictional student who managed to get enrolled in every single class every single quarter, despite the admin efforts to prevent it. it was always amusing on the first day with a new teacher to hear them call out that name - reminded me of that scene from Ferris Bueller
A character in a Victorian poem by Robert Browning, loosely based on Abraham ben Meir Ibn Ezra, that I was introduced to by Isaac Asimov.
RABBI BEN EZRA.
Grow old along with me!
The best is yet to be,
The last of life, for which the first was made:
Our times are in His hand
Who saith "A whole I planned,
Youth shows but half; trust God: see all, nor be afraid!"