Do not ask. It is hopeless to explain the reason for this existing because there is absolutely no reason for this to exist. Merge weird potatolike objects to reach the ultimate goal, the Homer Simpson Potatohead! Potato + Potato=Tater Tot Tater Tot +Tater Tot = Rubber Chicken Rubber Chicken + Rubber Chicken = Mustache Mustache + Mustache = Mustache Glasses Mustache Glasses + Mustache Glasses = Pig Nose Pig Nose + Pig Nose = Cow Cow + Cow = Weird Smiley Face Weird Smiley Face + Weird Smiley Face = Spider Potato Monster Spider Potato Monster + Spider Potato Monster= Weird realistic potato head made of human body parts Weird realistic potato head made of human body parts + Weird realistic potato head made of human body parts = HOMER SIMPSON POTATO HEAD It's just math, folks.
Official Strategy guide for Homer Simpson Potato Head is out now! Go to this video to watch a walkthrough of the game, including how to have enough space for two Homer Simpson Potato Heads! https://www.youtube.com/watch?v=dQw4w9WgXcQ