Gyoza the pug was recently used in 343 Industries’ recording studio providing a range of grunts and grumbles that we can only guess will be some sort of frightful alien species in the 2020 video game.
Sources:
https://www.mnn.com/family/pets/videos/pug-hired-make-alien-sounds-new-halo-video-game
https://www.gamesradar.com/uk/meet-gyoza-the-pug-making-alien-noises-for-halo-infinite/