A brand is a promise of consistency. If you provide consistent value, your audience won't care if a human or an AI made it.
Visual Identity
Use a consistent "Style Prompt" for all your AI images. This makes your videos instantly recognizable in the feed.
The "Brand Voice"
Use the same AI voice across all videos. It becomes the "Face" of your faceless channel.
Community Posts
Use YouTube's community tab and Instagram's stories to talk to your audience. This humanizes the brand.