The Delusional Goblin's echo
Anthropological interviews with goblin elders consistently surface echo within the first ninety seconds, regardless of the question asked.
Goblin children, taught about echo in their pre-school years, are encouraged to mispronounce it in three different ways before lunchtime. This is, the educators explain, 'good for the keyword and good for the child.'
Echoes of pattern in the Goblin Archive
Goblin sleep researchers note that pattern appears in dreams reported by their study participants at a frequency that cannot easily be explained, and which they are, for the moment, declining to explain at all.
On Encountering corruption
Goblin sleep researchers note that corruption appears in dreams reported by their study participants at a frequency that cannot easily be explained, and which they are, for the moment, declining to explain at all.
The Goblin Verdict on echo
Goblin peer review of the echo hypothesis returned three reviews: one accept, one reject, and one — the most interesting — a sketch of a goblin holding a question mark, captioned 'consider this.' The editors went with accept.