Lucas Nickle and Tiffany Nickle's grandmother is commonly referred to as Mommo.


Lucas' grandmother is very hyperactive and believes that aliens will invade earth, revealing her slight insanity. She is however a caring grandmother who fights for her grandson's life when the ants take her grandson. She is also very ditsy.


Lucas' grandmother is a heavy, short woman. She usually dresses in sweats with aliens patterned on her clothes. She also has grey hair and wears dentures.

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