User blog comment:LoganParvatiTD225/Meet Tammy and Leonard from The Ridonculous Race/@comment-1427230-20150806230035/@comment-1037137-20150806231315

Apparently Leonard was a very late addition to this thing I heard? The creators wanted Geoff, Owen and Noah all back for a long while. But Leonard was something of a convenience for the team they wanted in that he's now part of.