Sharon

Sharon is a diesel star tug that works at up river she is friendly but she sometimes lazy
however her only appearance was in diesel tug in season 3
== Basis ==
her basis is diesel tug boat she share the same basis as the diesel tug
== Trivia ==
.she and the Diesel tug are the only diesel tugs 
.because she appeared in season 3 she along with Sargeant vortex the Diesel tug and Johnthan are the only four to appear in season 3