They don't "make things happen." It turns your tama into an adult right after it was born- and no matter the age your tama will progress as a normal adult. So it will proably get the matchmaker at 3 and a job at 0.
Depending on the version- it could have been your skill points. And don't say 'bad' because someone else might love it. :D It's proably just a universal character.
I just want to point out to you that what were doing was not spam. Spam is Short Pointless Annoying Messages. We were meerly answering your questions. :D
It wouldn't be the name- but it could be that you are putting in the password wrong. As dancinkayley said- numbers and letters are hard to distinguish.
It's just the Tama's idle animation. Around this time of year they put on their backpacks and go "back to school." :D It's normal, if you click a button it will vanish.