The first one worth mentioning was the Hufflepuff crest:

[![Hufflepuff crest][1]][1]

But then I changed it, sooo...

Spock's the science officer on the *USS Enterprise*. Ye have to be pretty smart to have that job, right? You also have to be smart to answer the questions on here.

..Also, I needed a hat-head.

[![Spock][2]][2]

Now I've changed it to fit my username:

[![Gandalf][3]][3]


  [1]: https://i.sstatic.net/cJjfo.jpg
  [2]: https://i.sstatic.net/49o0r.jpg
  [3]: https://i.sstatic.net/hjskD.jpg