Since you're enjoying those, here are a few more. (Most of these were featured in a logo graphic design course I took several years ago. You might not be familiar with some of the companies, but with a little looking you can find the hidden images nonetheless...)
A yoga studio chain in Australia...
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Did you see the outline of Australia in the logo?
Hartford Whalers...
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Most people see the whale tail and the "W", many miss the "H".
VIA Rail Canada...
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See the railroad tracks in the "VIA"?
The Big 10...
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When they had 11 teams, they hid the "11" in the words "Big Ten". But now that they have 12 teams, they instead hid the number "10" in the word "BIG"...
Although they actually designed a different one, which they went away from at the last minute, which was more similar to the previous 11-team version. They didn't intend to release it, but it leaked. The reason they decided not to use it (according to rumor)--if the league changes its quantity of schools once again, they didn't want to have to keep updating the logo.
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Amazon...
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Yes, it's a smile--but it also points from "a to z", as in, "we have everything from a to z"
Horror Films...
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Yes, it's a film reel. But it's also the face of a ghost.
The anime movie "Piano Forest"...
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The trees become piano keys.
Goodwill...
Most people see the half-of-a-smiling face. But many don't even realize it's the exact same "g" at the start of their name directly below the logo.
And the last one I'll show is from my local school district. They wanted a logo for their Community Education ("CE") program, using their slogan of "Catch the Energy", and invited members of the community to submit ideas. (The "Catch the Energy" slogan intentionally repeats the "CE" initials.) The concept for the following graphic was submitted by a 15-year-old student in the district...
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What better place to catch energy, than from an electrical outlet? (The "279" is our school district number.)