He looks to me like a Khao Manee. These cats can have two different eyes as you will see if you look up the name, but they can have the same colored eyes, like your cat does.
Here's a picture of a Khao Mauw:
And here's some info on the Khao Manee:
Share some cat jokes here! It will be lots of fun! Here are some of mine...
Q. What do cats listen to on the radio?
Q. What type of feedback do cats like to hear?
A. PAWsitive feedback!