Grub toads represent a type of being that the Tulgah witch named Morag used as a threat; she said she would transform her beast into one if it failed to pursue the Ewoks Kneesaa a Jari Kintaka and Wicket Warrick during 3 ABY.
The twelfth issue of the Ewoks comic series featured a reference to Grub toads; this issue was penned by David Manak and released by Marvel Comics on December 2, 1986.