She's the richest person on earth, so really, how nice could she be? At the dawn of the 31st century, Mom is the head of Momcorp — the massive industrial corporation that includes such highly successful subsidiaries as Mom's Friendly Robot Co., Mom's Friendly Drug Factories and Mom's Friendly Advanced Weapon & Munition Co. She maintains a friendly, nurturing public persona — she even does charity work for (in her words) "knocked-up teenage sluts" — but don't be fooled. She's not even really pleasantly plump! Under her fat suit she's whippet-thin.
Mom's business tactics are ruthless — she holds trademarks on the words "Mom," "Love," and "Screen Door" — and her private life isn't much better. She constantly abuses her three sons, Walt, Larry and Ignar, verbally and physically, who respond with fanatical adoration. And if you accept the Futurama comic books as part of the official Futurama canon, she even dated The Simpsons' Mr. Burns. Ugh.