Shoutouts to @Aoife! for finding this.
So it seems that the @MoonbugKidsHallowenCartoons channel has rebranded to ‘Chuck E. Cheese’s Fun Playhouse’, though with one CEC upload still under their previous name.
Moonbug is a large kids content slop farm that owns, yes, Cocomelon. Their content seems to be divided across many channels, though weirdly only their ‘Moonbug Kids’ one is verified. The company never directly links to its other channels, so it is unclear if this one was legit or not (most likely however, if it was a copycat YouTube’s content ID would flag it).
It is unknown the partnership behind this channel, did Moonbug sell the channel to CEC for cheap due to low views so CEC could force themselves upon any subs to the channel? Has Moonbug acquired the CEC license and will be using them as part of their media conglomerate? Not sure but this is something to keep in mind if anything comes out later.