Upon further reconsideration, the creepy eyes take a backseat to the nose as nightmare fuel.

Here's another clip, from the 1985 Santa Claus Parade, where you can actually hear him speak, though I thought the silent clip works better as "nightmare fuel" because of the slow reveal.

https://youtu.be/sDGUSYnLwuc

Here's a glimpse at a more recent version of Blinky, as a 1980s Dodge Diplomat.

https://youtu.be/_ThaQDUeWhQ

Fucking Croft brothers.

i just, i feel way more comfortable being an informant to scruff mcgruff