Jaston grew up in Crosbyton, Texas, and attended San Jacinto Junior College in Houston.

Jaston is co-author and co-star of the Tuna Trilogy and has been creating the citizens of Tuna for the last twenty-one years.

The show has played on and off Broadway, at the Kennedy Center, the Edinburgh International Arts Festival, the Spoleto Festival U.S.A. and all over America.

He has received Washington D.C.'s Helen Hayes Award nominations for A Tuna Christmas and Red, White And Tuna as well as the San Francisco Bay Area Critics Award for Greater Tuna.

Jaston received the L.A. Dramalogue Award for both Greater Tuna and A Tuna Christmas.

Tuna Christmas (from "Cabaret Noel, Broadway Cares Christmas")