Yabda, also known as Yabda the Merciless, is an Unggoy soldier who fought in Jul 'Mdama's Covenant. Eventually he defected to the UNSC and was brought to the UNSC Infinity. There he was used for voice over commentary for War Games.
- Yabda is the titular character of Halo 6: Yabda Cuts Loose, a joke script that was used as an easter egg in the Halo Mannequin Challenge.
- Halo 5: Guardians (First appearance)