I know this is a stretch, but Giegue from Mother 1. He'd pretty much be in the same position as R.O.B, Mr. Game & Watch, and any other characters that have a crazy, unique move set based off of creativity. I could go on, but the main point are:
1. Giegue's design is really, really cool.
2. A long forgotten villain with so much creative potential.
3. Something unexpected, (hopefully) appreciated, and fresh.
4. Size is not a problem, at all.
5. It's Giegue.
This is Giygas' physical form, not the giant floating nightmare fuel. So this form would work out so, so much more better and even though he may not be as popular as even Duck Hunt, some buildup hype could make this character sell like hotcakes. And the amiibo wouldn't even be funny to talk about (rarity).
1. Giegue's design is really, really cool.
2. A long forgotten villain with so much creative potential.
3. Something unexpected, (hopefully) appreciated, and fresh.
4. Size is not a problem, at all.
5. It's Giegue.
This is Giygas' physical form, not the giant floating nightmare fuel. So this form would work out so, so much more better and even though he may not be as popular as even Duck Hunt, some buildup hype could make this character sell like hotcakes. And the amiibo wouldn't even be funny to talk about (rarity).