Usernames combine!

[Super Mario Bros.]

Mario Lobber

 

[Teedgee]

Admiral Bobbery Bros

 

[The Pink Cat In The Hat]

Ad-Min

 

[Super Mario Bros.]

Min-io Bros.

 

[Marceline]

Dusk Mario Bros.

 

[Evil Power Flotzo]

Flotzo Lobber

 

[Goombuigi]

Poweruigi

 

[Teedgee]

Bobbuigi

 

[Evil Power Flotzo]

Admiral Bobtzo

 

[London Parris]

Eli Flotzo

 

[The Pink Cat In The Hat]

El-Min

 

[Goombuigi]

Goomb-Min

 

[Super Mario Bros.]

In a way, I suppose "Goombario" actually works for this.

 

[London Parris]

Super Eli Bros.

 

[Goombuigi]

Goombayase

 

[The Pink Cat In The Hat]

Goomwinds

 

[Marceline]

Empress of the Dark Moth

 

[Goombuigi]

Goombmoth

 

[The Pink Cat In The Hat]

Luigi Winds

 

[Evil Power Flotzo]

Power Of The Dark Flotzo

 

[Noct]

PowerPhoenix

 

[Goombuigi]

Nanouigi

 

[Noct]

GoomPhoenix

 

[Marceline]

KillerPhoenix

 

[London Parris]

Killer Eli