Based on file modification dates, it’s this drunken cow:
It’s from October 2004. Initially I doodled it in my lab notebook; back then I was a Chemistry freshman, and I always doodled my stuff like this. Then I redid it in a computer.
(Her name is Vaquetila. Vaca = cow, etila = ethyl.)
Based on file modification dates, it’s this drunken cow:

It’s from October 2004. Initially I doodled it in my lab notebook; back then I was a Chemistry freshman, and I always doodled my stuff like this. Then I redid it in a computer.
(Her name is Vaquetila. Vaca = cow, etila = ethyl.)