that the Messenger of Allah (ﷺ) said: "Do not name your boy Rabah, nor Aflah, nor Yasar, nor Najih, so that it may be said: 'Is he there?' and it may be said: 'No.'"
that Abu Hurairah conveyed to him that the Prophet (ﷺ) said: "The most despicable (Akhna) name to Allah on the Day of Judgement is that of a man named King of Kings. (Malikil-Amlak)."
from his father that the Messenger of Allah (ﷺ) said: "I have some names: I am Muhammad, I am Ahmad, I am Al-Mahi, the one by whom Allah wipes out disbelief, I am Al-Hasir, the one whom the people are gathered at his feet, and I am Al-'Aqib, the one after whom there is no Prophet."
that he said: "O Messenger of Allah (ﷺ)! If I have a son after you do you think I could name him your Kunyah?" He said: "Yes." So he said: "So that was permitted for me."