Here is a list of mascots for a lot of different computing environments. List of computing mascots - Wikipedia
Maybe something as simple as a cartoon(ish) sailor?! https://www.google.com/search?q=cartoon+sailor&tbm=isch&chips=q:cartoon+sailor,g_1:drawing:u7GdK2tKRl8%3D&usg=AI4_-kQmJQ3rx4sY5h4bWGuGKFjUFFIdCQ&sa=X&ved=2ahUKEwjW1oOHisnvAhWGVc0KHfP8DGkQgIoDKAB6BAgGEAs&biw=1920&bih=863
Or better yet cartoon(ish) pirate, since we pirate most of our codes anyway