Fungal Pony
From Fallen London Wiki
Was this shaggy little villain grown in Bugsby's Marshes?
Fungal Pony is a Companion item.
This item can no longer be obtained.
Wiki note: This, along with the 
Noise-Eaters, is regarded as a mythical item—shrouded in rumors and lacking any concrete evidence of its existence. Our only knowledge of it comes from anonymous edits that mysteriously added them to the old Wikidot wiki.
This item has no documented sources. [Add it as a reward to some actions if you know some!]
This item has no documented uses beyond equipping it.
