She is an exaggeration of the common archetype of an old woman owning cats.
Patricide is a common archetype prevalent throughout many religions and cultures, particularly Greek culture.
These beings look a lot like common archetypes in humanoid culture, but not just any archetypes.
Healer (gaming) is another common archetype focused on restoring the health of one's allies.
DPS is another common archetype also focused on dealing damage.
In this way, the careers are given variety and avoid being simple reiterations of common archetypes.
Tank (gaming) is another common archetype focused on drawing enemy damage.
Spell-caster (gaming) is another common archetype focused on dealing damage, while being relatively weak.
The journey had melted us down to a common archetype.
The bad boy is a common archetype in women's romance novels.