MerchMixer is the default brand listed on your Shopify product sales pages. If you'd like to edit this please see the below info.
In the product catalog, Click the check for the products you would like to create in a channel.
• Choose the channel you want to be linked to your products.
• Create a new mapping template
• Scroll down to the listing parent field labeled Brand
• Change the From value to “title” so the name of the product is listed in brand