Attack Titan vs The Founding Titan, Grisha vs Frieda Reiss

Grisha Jaeger (Anime), Attack on Titan Wiki

Grisha Yeager Attack on Titan+BreezeWiki

Ah, yes. Grisha telling his newborn how he is born free while caged inside walls, surrounded by titans, blamed for ancestors' sins and world's hate : r/titanfolk

Founding Titan (Anime), Attack on Titan Wiki

Basement, Attack on Titan Wiki

Episode 57 - Attack on Titan - Anime News Network

Attack on Titan Gets Perfect Revenge With SPOILER's Death

Eldian Restorationists, Attack on Titan Wiki

Attack on Titan 2 - Final Battle Keith and Grisha Backstory (Cutscene)

A while ago Mappa released the official designs for Grisha's Attack Titan and Frieda's Founding so this is what we should be expecting from ep 79 : r/titanfolk