it was bitcoin! the project can still be found on github, then others forked it and added other coins.
Brainwallets are obsolete because people figured out how to comb through them with brute force attacks.
no!
it was actually because people were dumb enough to (despite the warning) use a weak pass phrase for their brain wallet.
it is like using 123 as your password to log in here! and they actually did use dumb things such as that.