Krusty the clown.
kangaroo jack
kyo, from fruits basket
Krazy Kat.
kind?
carton
Krazy Kat .
In Season 13 there will be a character called Kevin
Kid Flash , King of the Royal Mounted ,
Captain Kangaroo would fit the bill I think.
a game that starts with the letter K
something that has to do with school that starts with the letter K is Kids
K