Breishit Raba 1.4 the 6 things preexisting creation
Mashiach represents the time the world reaches completion of bringing the glory of Hashem into our world.
Baba Batra 75b, Mashiach represent the name of Hashem
We brought commentaries that the name Yinon represents the yud-ke-vav-ke name of Hashem using the letter exchange of letters with the first number matching ( 1=10=100, and as such 5, the gimatria of the letter heh, matches nun, with the gimatria of 50, known as צופן אי”ק בכ”ר )
Breishet Raba 2.4 tohu va-vohu refers to the exiles, and during that time, the spirit of Hashem-the spirit of Mashiach is floating upon the water. The end result is in its making during this period. The period of challenge is what enables Mashiach
The 4 names of mashiach, Sanhedrin 98b which are similar in name to the names of the rabbis who mention them, perhaps suggesting that each person needs to perfect themselves, as well as that the Mashiach is about multitudes of virtues and attributes represented by every person reaching their goal.
See also the Chidushei Agadot on the above Sanhedrin.