Old favorite - Feddit.nu

Can someone explain this to me?
The “daingert Madelyn” in the last panel is from a CAPTCHA challenge. In case you’re not aware, CAPTCHAs used to present squiggly pseudo-words like that for you to decipher. I suppose they still might, but they used to, too.
CAPTCHA - Wikipedia

Fun Fact: For a long time reCaptcha was used to digitalise books. One of the words was a know word and used as the test and the other was unkown.