@Silk stuff: I love it,
A thought about Homestuck: Though I wouldn't say they are pareidolic, homestuck has tons of icons that represent the characters. When you see:
you eventually start instantly associating it with Tavros' personality and actions. Just an interesting thought, especially since Josh's last devlog included making things that look a lot like them procedurally. I still think faces would be better for individuals, but for factions, rather than actors, shapes more inspired by the abstract-ish shapes of the zodiac symbols could work better.
(For those who haven't read, a lot of characters have symbols on their shirt and as their IM avatar, these symbols come to be equivalent with the person, etc.)