In Tretayuga also, Madhu was killed by Vishnu avatar Shri Ram and Kaitav was killed by his Sheshnag avatar Lakshman.
When Kaurava's mother Gandhari was pregnant. Then a maid of merchant class was hired to serve Dhritarashtra etc.
The one who was originally identified as Mama in the Mahabharata was Shakuni Mama, the character of Mama Shakuni
When Lord Vishnu incarnated in the form of Shri Ram in Tretayuga, there is a mention of many animals including humans
It was Kabandh who had given the address of Shabari to Lord Shri Ram, after which Shri Ram was helped to reach Sugriva
With the intention of making this forest a city named Indraprastha, Arjuna set fire to this forest at the behest of Shri Krishna.