Who can Galactus beat?
Assuming the following features are in place:
1. This is classic, Silver Age Galactus.
2. He is sated (the fight taking place immediately after he ate a planet).
3. He is written at his most respectably, rather than as the weak steppingstone he's usually been.
4. The character is portrayed true to his original intent.
Who can this non-jobber Galactus beat?