Nothing magic about breakfast. It's simply called breakfast since it's your first meal of the day. Hence, 'break fast'.
Your total calorie intake at the end of the day is what matters most. A lot of people have a lot of success when cutting by skipping breakfast because it removes one meal they eat each day and that lowers their daily calorie intake.
If your goal is to bulk, then I wouldn't skip breakfast. If you don't have much of an appetite in the morning, you could do a protein shake with coconut oil mixed in.