The first ever cat to appear on any Blockchain was on the 28/9/2014, over 10 years ago. This cat made using ACSII art and left as a message by the person who mined Block ID 322,917. You can view this using navigating to 592/11288 in the archive The creator of this cat is Satoshi and the cat really wants to know who his owner is. . /\_/\ ___/ o o \ /~___ m)