I used a Platinum Preppy fountain pen for this. I like how it makes me kinda happy looking at it haha. I made this into digital form ( made it a little happier with more smiley faces) and put it on my Redbubble and TeePublic.
This is another improvised painting - in oils this time, but poured on after diluting with white spirit and then tidied up with a paint brush chasing the forms that appeared. You need to outside to do one like this. Very fast to make, but they stink like