Do you want to compare Cat Grant with Irene Merryweather? Discover the powers, weakness & weapons of Cat Grant and Irene Merryweather from Cat Grant Biography and Irene Merryweather Biography. Find out all about Cat Grant and Irene Merryweather.# Check out how is Cat Grant unique and distinct from Irene Merryweather. Discover their love interest, sidekicks, family tree and the movies and games list in which Cat Grant and Irene Merryweather have appeared. Find out everything about them here!