Board Thread:Questions and Answers/@comment-1086162-20150308045314/@comment-4779545-20150308154424

Hear are the most likely for the team:

Slash

Leatherhead

Spider-Bytez

Snakeweed

Newtralizer

Rockwell

Pete the Pigeon

As for Mondo Gecko, he may come later on because according to his concept art he will be coming in the 17th episode.