Wonder Woman face down in the mud

Wonder Woman gets beaten and left face down in the mud by the god Apollo. From DC Comic's Wonder Woman #11 (2012)

Credit also to UMD's Nation_of_isWAM for this spot

Talia splattered with clay

Talia Al Ghul gets splattered with clay in her encounter with Clayface from DC Comic's Young Justice #12 (2012)

Credit to Mr. Zero for this find

Supergirl pranked

Supergirl on the receiving end of a messy high school prank in DC Comic's Supergirl #10 (2006)

Sandra gets wedding cake smushed in face

Sandra (aka Lucy Lane) gets wedding cake smushed in her face in "The Wedding of Magi and Sandra!" from DC Comic's Superman's Pal Jimmy Olsen #82 (1965)

Wonder Woman covered (cont.)

Wonder Woman covered head to toe in muck facing off against Clayface from DC Comic’s Wonder Woman #160 (2000)

(also see http://comic-book-wam.blogspot.co.uk/2011/10/wonder-woman-covered-from-head-to-toe.html for the cover of this issue)

Harley Quinn covered in pudding

Harley Quinn covered head to toe in pudding in “Beware the Creeper” from the 1990’s Batman: The Animated Series

Batgirl covered in muck

Batgirl gets covered in gross muck in DC Comic’s Batgirl #13 (2010) alongside original artwork by Stanley "Artgerm" Lau

Zatanna dunked

Zatanna gets her head dunked by Poison Ivy in DC Comic’s Gotham City Sirens #1 (2009)

Black Canary and Crimson Fox wrestle in muck

The Elongated Man watches on as Black Canary and Crimson Fox get muddy from DC Comic’s Adventures of Superman Annual 4 (1992)

Suicide Squad members pied

Amanda Waller is first to fall victim to the mysterious pie thrower in DC Comic's Suicide Squad #21 (1989)

Bronze Tiger ducks an incoming pie from a mysterious pie thrower only for it to land in Vixen's face in Suicide Squad #26 (1989)

Lois Lane is the next target on the mysterious pie thrower's list as she gets a pie in the face in Suicide Squad #30 (1989)

Jewelee is another victim to get pied by the mysterious pie thrower in Suicide Squad #31 (1989)

Wonder Woman covered from head to toe

Wonder Woman covered from head to toe in clay from DC Comic’s Wonder Woman #160 (2000)

Supergirl slimed

Supergirl gets slimed from DC Comic’s Superman/Supergirl Maelstrom #4 (2009)