Please Let This Be True - The Far Side Returns!

[RAMd®d]

True, but as a trade-off his friends Hector and Pierce are pretty clear manifestations of his Super-Ego and Id, so in that respect the inspiration has gone from Kierkegaard and Sartre to Freud, which seems appropriate to a story centered around a hormone-soaked teenager.

I didn't think of that, either, but now that it's been mentioned, it makes perfect sense.