Clips of I.M.P. killing various patrons of the musical theater massacre was shown as video footage on the multiple TV monitors that Agents One & Two were watching.
Both Loopty and Lyle bear some resemblance to Doctor Eggman (aka Doctor Robotnik). Both are hammy, villainous inventors and pollutive industrialists with large mustaches who wear decorative uniforms and eyeglasses that conceal their eyes.