The "(*^ ▽ ^*)b" emote is a Japanese emoticon that typically represents a smiling face with closed eyes and a hand raised to the mouth as if holding something. It can be interpreted as a gesture of cuteness, happiness, or satisfaction. The "Yes Dude" emote is a Twitch emote that features an illustrated character with sunglasses giving a thumbs up and saying "Yes Dude." It is often used to express excitement, agreement, or encouragement in chat messages on the streaming platform.