Names for Quarky's fish

So @ProfuselyQuarky has ##7## fish. What are some good names if we want the seven names to follow the same theme?

 

Seven colors of the rainbow: red, orange, yellow, green, blue, indigo, violet

 

The Seven Dwarfs: Happy, Sneezy, Sleepy, Bashful, Dopey, Grumpy, doc which are also the various stages of cocain addiction. Snowwhite... cocain...

 

The seven sins: Lust, Envy, Gluttony, Greed, Wrath, Pride, Sloth. Especially fun if you watched fullmetal alchemist: brotherhood...

 

There are seven millenium prize problems:
Poincare conjecture
P vs NP
Hodge conjecture
Riemann hypothesis
Yang-Mills
Navier-Stokes
Birch and Swinnerton-Dyer

 

7 notes: Do, Re, Mi, Fa, Sol, La, Si

 

Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday

 

Seven Buddhist factors to enlightenment: mindfulness, investigation, energy, happiness, tranquility, concentration, equi-animity

 

Seven wonders of the ancient world:

• Great Pyramid of Giza
• Hanging Gardens of Babylon
• Statue of Zeus at Olympia
• Temple of Artemis at Ephesus
• Mausoleum at Halicarnassus
• Colossus of Rhodes
• Lighthouse of Alexandria

 

Some sporadic groups:

Fisher-Griess Monster, Baby-Monster, Thompson, Harada-Norton, Suzuki, Conway, Mathieu