NOT KNOWN FACTUAL STATEMENTS ABOUT TOON ME A RIDDLE

Query: A man claims: "Brothers and sisters, have I none, but that person's father is my father's son." Who is he pointing at?Concern: Renovate the word "CAT" in the term "Doggy" by changing 1 letter at any given time, with Every single stage causing a valid English word.Q: I rest throughout the day and fly during the night, but I don't have any fea