@Doctor_Catastrophe #19789146
4 September 2011
account created (per Roblox API)
18 Aug 2026, 05:53
last measured (UTC)
Username record
@Doctor_Catastrophe — observed 18 August 2026
@Doctor_Entropy — observed 18 August 2026
@Dominus_Dominorum — observed 18 August 2026
@Dominus_Insaniae — observed 18 August 2026
@Dominus_Sanguinis — observed 18 August 2026
@Nightmare_Enthusiast — observed 18 August 2026
@lavavolvagia — observed 18 August 2026
Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.
Groups owned (as measured)
Open data
Download this user’s observed record: username history (CSV) · record (JSON)
Also a member of
Roblox High School: Fan Club#1127093 · Cool Fan II
7,003,051Driving Empire by Voldex#4999963 · Driver
4,936,707nico's stu#9511731 · member
739,294Social Experimental Studio#35059572 · Claimed Reward!
91,877Official World Trade Center Of Roblox#6064400 · Tourist
9,675Mario & Sonic The Legend Group#474870 · Member
1,749Sonic RP: Adventures in Mobius II Fans#1088851 · Member / Hero-In-Training
1,305Instrumental Musicians of Robloxia#952796 · **Choosing Instrument**
442Membership and rank as measured from this user’s public group list.