Photoshop has quite a few Easter eggs. but one of the coolest ones is the red pill. Hold down [Ctrl] and [ A':' t] and go to Help > About Photoshop. Instead of the default About information screen. you will now see one with a red pill on the left and text on the right saying Adobe Red Pill.

Merlin the wizard is one known character on many Photoshop releases, and
in CS3, you can find him by first enabling the Layers window. Hold down the [ Ai t] key and click on the down arrow for that window choose Palette Options and a small window pops up. with a picture of the wizard starts in the logged in users default and "Merlin Lives!".

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