[dtzWill]

Not sure what "the ccc" is (if it's not "corkami") but your comment and parent's led me to finding this treasure-trove of format visualizations:

https://github.com/corkami/pics/blob/master/binary/README.md

Lots of good stuff here!

[Nelgraf]

"the ccc" usually refers to "The Chaos Computer Club"

[kencausey]

Chaos Computer Club

https://en.wikipedia.org/wiki/Chaos_Computer_Club