There was something more that stirred in my mind when I saw this logo, but could not put it into words... just a couple of minutes ago though, I had a moment of revelation! This logo is from Scooby Doo, Mystery Inc! :)
.
.
.
--SPOILERS for Scooby Doo, Mysery Inc, AHEAD--
.
.
.
.
.
.
Over two seasons the greater plot of the series unfolds: the intelligent parrot named Prof. Perikles, wants to gather the pieces of a long-lost artifact and use it when the stars are right to focus the mystical energies of Nibiru, a planet holding occult significance. With these energies he intends to wake a monstrous entity that has been sleeping imprisoned in the bowels of Earth.
When he finally succeeds, the Evil Entity consumes Prof. Perikles and becomes an amalgamation of parrot, demon and eldritch horror:
You see now?!?
I see indeed. Eldritch horror in Scooby Doo... what do you know!