Separate names with a comma.
Sekiii it's been a while, how are you bud? ^-^
It has been far too long, Kyu~! I'm doin' mostly okay. How 'bout you? I've been meaning to get more active on the Discord again -v-"
Then go for it! Though you don't need to force yourself, just be active when possible.
Wow, sure has, huh?