"Well, Connie, it's a pleasure to meet you!" The first name's easier to pronounce. And besides, if humans are like monsters, you don't usually use last names outside of formal situations. ...But humans are humans. He never did get a last name from Frisk. Maybe it's different? Oh well!

As for the goggles, he proudly reaches up and adjusts them, while setting another hand on his hip.

"Anyway, what self-respecting scientist wouldn't wear goggles?!" Well, okay, Undyne doesn't usually wear them, but she's Undyne! And Undyne isn't afraid of anything. Even explosions. Especially explosions. "They're part of my genius ensemble! A necessary accessory in the often unpredictable world of science!"