Everett is at least a minor toon force user, so normal power scaling doesn’t apply. He can beat anyone or be beaten by anyone depending on which is funnier.
Mrs. True can usually overpower him because he’s usually being a jerk to her, but when she’s in the wrong she’s usually cowed by him.
Grapes in a burrito sounds weird, but raisins don’t sound too bad. Maybe he’s planning on dehydrating them.