Waldos

Indeed, a group of five San Rafael High School friends known as the Waldos - by virtue of their chosen hang-out spot, a wall outside the school - coined the term in 1971.

The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2011

At San Rafael High School, a group of students known as the Waldos would make plans of "4: 20 Louie" and meet after detention near a statue of Louis Pasteur outside the school at 4: 20 p.m.

KentNewsNet.com 2009

Puppeteers could then remotely control their motions with "Waldos" that captured their performances for the machines to mimic.

Livescience.com 2010

Since the current record-holding Smurfs gathered in Ireland and after the 2010 book went to press, for example, 2,510 ambitious blue ones amassed in a nightclub in Wales.iReport. com: Large gathering of "Waldos"

CNN.com 2009

But the teams persevered in search of their Waldos who were homeless in the neighborhood.

Joel John Roberts: Where's Waldo? Is He Homeless? Joel John Roberts 2011

There were also lots of Where's Waldos, many Occupy Wall Streeters real and imagined, several Jessica Rabbits , and too many zombies to count—but nary, it seemed, a Daphne Guinness .

Playing Dress-Up With Celebs Mike Vilensky 2011

But the teams persevered in search of their Waldos who were homeless in the neighborhood.

Joel John Roberts: Where's Waldo? Is He Homeless? Joel John Roberts 2011

I just wonder if there are more hidden homeless Waldos than we are able to find in the urban chaos of our society.

Joel John Roberts: Where's Waldo? Is He Homeless? Joel John Roberts 2011

I just wonder if there are more hidden homeless Waldos than we are able to find in the urban chaos of our society.

Joel John Roberts: Where's Waldo? Is He Homeless? Joel John Roberts 2011

According to the editor of High Times, Steven Hager, the term "420" originated at San Rafael High School, in 1971, among a group of about a dozen pot-smoking students who called themselves the Waldos.

Anthony Papa: 4/20: National Pot Smokers Day 2009