Billy was Chugga's right hand ghost shroom... Well, that's not the point! Billy was a ghost shroom that helped Chugga in a pipe. Billy was killed before Chugga could get the shroom to follow him. In in Ep 46 he said "I want Billy back!" showing that he had affection for the 'shroom (like Steve the Trooper) Its unknown if Billy will be reborn as a running gag in another Let's Play of Chugga's.
- Steve, Bob, Joe, Bulbie, and Billy were the only characters Chugga named himself.
- Chugga said "The Characters I name become viral like.... Him" ( "Him" is Steve).
- Billy was the 4th character that Chugga named.
- He was first seen is Chapter 2 of SPM.
- Billy is the first character Chuggaaconroy named that isn't a Pikmin.
- He is also the first character species Chugga named that isn't a human, or based off a human.
In Episode 51, Billy returns, and Chuggaa buys him from Flimm.
Billy came with Chuggaa into the Pit of 100 Trials and came out to face off the Wrackles on Wracktail when Chuggaa was attacking the antenna.
He then disappeared a few seconds before Waracktil met his demise.