Who Created Epyon

Based on data from the Tallgeese and the other Gundams, the Gundam Epyon was created by Treize Khushrenada while he was placed under confinement by the Romefeller Foundation. In keeping with Treize’s philosophy, the Epyon eschews cowardly long-range weapons in favor of chivalrous close combat.

Is epyon in Endless Waltz?

Gundam Epyon (EW), “Gundam Wing: Endless Waltz”, Bandai MG.

How did zechs survive?

However, Zechs refused and fired Libra’s main cannon at Treize only for Lady Une (in the Wing Gundam) to push him out of the way and take the brunt of the blast and miraculously survive.