In the movie Monsters vs. Aliens , the mutated bug was more than 330 feet tall .
She meets the warden W.R. Monger , and fellow inmates : Dr. Cockroach P.H.D. , a mad scientist who became half cockroach after an experiment ; B.O.B . ( Benzoate Ostylezene Bicarbonate ) , a brainless , living mass of goo as a result of a food flavoring mutation ; Insectosaurus , a mutated bug standing at over 300 feet in height , and The Missing Link , a prehistoric fish man who was thawed from deep ice .
Monsters vs. Aliens