Is the Prophet Muhammad, may Allah bless him and grant him peace, only the best of humans, or is he the best of all creation, including angels, the Throne, and the Footstool? And what is the proof for that?

Our Prophet Muhammad, peace and blessings be upon him, is, by consensus, the best of creation. The evidence for this includes his sayings such as: "I am the master of people on the Day of Resurrection," and "Adam and everyone else will be under my banner," and his saying: "And I am the noblest of the ancients and the moderns to Allah, and no boasting." Al-Razi narrated the consensus on his superiority over all creation.

And the location of the Prophet's grave, peace and blessings be upon him, is considered, by consensus, superior to the seven heavens, the Throne, the Footstool, and Paradise.