WOOT! SOMEONE AGREES WITH ME!
[Image: http://2.bp.blogspot.com/_1w07eGFeOGM/R9GiyU3xmzI/AAAAAAAABvQ/aB20e_8CzgU/s400/krillin2.jpg]
Getting those dots tatoo'd on your head would hurt so much. It is really the most ridiculous.
Not tats, since otherwise during the Buu Saga, he would have pieces of hair missing.
[Image: http://images1.wikia.nocookie.net/__cb20100411170602/dragonball/images/thumb/3/35/Android18KrillinMarronBuuSaga.png/180px-Android18KrillinMarronBuuSaga.png]
[Image: http://images3.wikia.nocookie.net/__cb20100411170648/dragonball/images/thumb/a/aa/KrillinTurnedToStone.png/180px-KrillinTurnedToStone.png]
But Krillin does have some odd hair when he actually grew it out.