Terroriser is the online name of Irish gaming YouTuber Brian Hanby, best known for his collaborations with VanossGaming and friends in games like Garry's Mod and GTA Online. He is also noted for sharp voice impressions and an energetic delivery that makes even a single word memorable. Short clips of his greetings have circulated among fans as ringtones and soundboard buttons for years, shared in Discord servers, streams and meme edits. The hello works because regular viewers instantly connect the voice to his chaotic group sessions.