He has made appearances and/or played major roles in all of the Batman movies and TV shows.
Alfred Pennyworth: A long time ago, I was in Burma, my friends and I were working for the local government. They were trying to buy the loyalty of tribal leaders by bribing them with precious stones. But their caravans were being raided in a forest north of Rangoon by a bandit. So we went looking for the stones. But in six months, we never found anyone who traded with him. One day I saw a child playing with a ruby the size of a tangerine. The bandit had been throwing them away.
<b>-LATER IN THE MOVIE-</B>
Bruce Wayne: The bandit, in the forest in Burma, did you catch him?
Abbreviation for 'I Fucking Hate Your Guts Right Now.' However when you say, "IFHYGRN," you let the person you said that to know it means, 'I finally heightened your grenade running notification,' in which putting a halt to whatever made you mad enough to want to say that you hate their guts, and making the person who made you mad feel like they owe you one.
Man ONE: "So I fucked your mom last night."
Man TWO: "But she's dead..."
Man ONE: "Yeah I know. It was hell digging up her grave."
Man TWO: "IFHYGRN."
Man ONE: "So like, what does that mean?"
Man TWO: "Ah! You're such a n00b! It means I finally heightened your grenade running notification."
Man ONE: "Wow! Are you kidding me?! Sheesh! I owe you one!"