Muck is a red bulldozer/digger dumper with a dumping bed. He/She often acts before thinking and subsequently
gets in trouble for it.
- Rob Rackstraw (1998-2011 TV Series) and Paul Painting (2015 TV Series)
- Lachele Carl (2001-2009 TV Series), Sophie Aldred (2010-2011 TV Series) and Vincent Tong (2015 TV Series)