The Friendly Giant

From 1958-1985, this Toronto, Canada based children's show aired on the CBC started with the main character- a giant named Friendly and his friends named Rusty (who was a rooster) and Jerome (a giraffe) who all lived in a castle together (“The Friendly Giant,” 2021).

The Canadian Encyclopedia goes into depth on the actor who portrayed the Friendly Giant, as well as mentioning how the actor started the show in Wisconsin and later brought it to the CBC after he moved to Canada.

https://www.thecanadianencyclopedia.ca/en/article/robert-homme-the-friendly-giant