Sister Mathilde is one of the local nuns who also served as teachers at the St. Jude Parochial School attended by all the Frenchtown children. Francis and Nicole meet for the first time in her 7th grade class. Sister Mathilde is especially notorious for her strict discipline and use of corporal punishments.
The timeline below shows where the character Sister Mathilde appears in Heroes. The colored dots and icons indicate which themes are associated with that appearance.