Many of the people who wrote the sid music used aliases.
All the ones I know about are listed here.

DC,  DC_and_Bert, DC_Star_and_Cpr and DC_Starr are all the same composer.
She just used different names when she was using different accounts. 
Real name might be Debbie Cruz?

Other Aliases are listed below:

Annie Bradford     aka Texas1ady1
BJ Pools           aka Sloop JB
Bob Allande        aka Uncle Slam
Bob Handforth      aka Rohan2
Bobbye Haupt       aka Bobbye
Brian Barrett      aka Psycho_K / PK Labs
Brian Meagher      aka BrianM1
Bruce Hamel        aka Whole Note
Charles J Fitzhugh aka Sir Fitz
Chris Alexander    aka Gustave
Jonathan Dunn      aka Choroid  (see HVSC for other tunes)
Colin Roth         aka Colin10
Dan Klepach        aka D-Bug
Dave Burkus        aka Mmcss
Dave Palumbo       aka Mets5
Dave Stewart       aka Sir Dave
David Strauss      aka Li Dave
David Taylor       aka Super Dave
DDK                aka 75 Girl$
Glen               aka GlenD5
Gordon B Isnor     aka Blues Man
Jeff Goll          aka Tollman
Jerry Roth         aka DrJ / DrJ5
Jim Brock          aka Jim / KCORB
Jim Masterson      aka Collecting
Jim Wallace        aka Lazy Mode
John Dorner        aka Delerious
John Marcinko      aka Kid Crue
John Meyers        aka Diskdriver
John Rafalak       aka Jon / Sysop Jon
Joseph A Grau      aka Jabba Hutt
Keith Fulkerson    aka ATOR
Laura L Kennemore  aka Lyric / Laura
Mark Dickenson     aka Mark AD II
Mark Hazen         aka Synthax
Mike Madsen        aka Sadist / Madman
Peggy Souder       aka MS Guitar
Rich Johnson       aka Cathouse
Rob White          aka Nu2Sids / Robie2
Robert Farver      aka Stampmagic
Robert S Shaw      aka Bob Shaw / Juky
Robert Willis      aka Z Axis
Ross Kinard        aka Skulleader / Skulleadr
Scott Baeder       aka Pinkfloid
Sean Robinson      aka Frosty
Steve Sileo        aka The Sileo
Sylvia Lutnes      aka Syl
Tristan Miller     aka Lord Myrkul
Troy Rutter        aka Datasid