Nah. I’ve heard chesterfield, but it’s always been too long a name for a couch.
A converter is a thing that changes DC current to AC (or vice-versa). The thing you change channels with is definitely a remote.
OTOH, despite having never gotten farther East than that one trip to Sask, I do not put the final T in Toronto unless talking to Americans who look at me weird. When I feel snarky, it’s Tronna.
And pencil crayons forever!