Mamas Pitsillis (born September 13th, 1962) worked as a model maker on Thunderbirds 1965. He was credited under "model & set construction" on Introducing Thunderbirds, and worked as a model maker on The Abominable Snowman and The Stately Homes Robberies.
Pitsillis produced the FAB 2 interior set in addition to making a 23" model of Thunderbird 1 and a 2' Thunderbird 4.