Mary is a fictional character in the Hey Arnold! TV Series.

She is mostly known for being Big Patty's victim in "Helga vs. Big Patty".

In the episode "Helga's Makeover" she is one of the Rhonda's "Slumber party" guests.

In the episode "Operation Ruthless" she can be seen crying after the line for the Tunnel o' Love ride dissolves into chaos.

In "April Fools Day" episode she dances with Joey.

Appears in

This article is a stub. You can help Hey Arnold Wiki by expanding it.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.