一覧 of nicknames used on glee/グリー (Source: glee/グリー Wiki, some from memory). A few have been left out so if あなた can think of any just post in comments)
__________
RACHEL
Rach, A-Rach, Babe, (Finn)
Miss Bossy Pants, Eva Peron (Mercedes)
RuPaul, Man Hands, Treasure Trail, Stubbles, That Thing, Sweetie (Quinn)
Yentl (Dakota, Santana)
Boy Hips (Lauren)
Benedict Arnold (Kurt)
Dwarf, Midget, Hobbit (Santana)
Barbra Streisand (Suzy Pepper)
Lady, Michele (Sue)
Baby, My Hot Little Jewish American Princess (Puck)
The Jew (YouTube user)

FINN
Finnocence (Santana)
Frankenteen (Santana, Dakota Stanley, Sue)
Sugar 線, レイ (Sue)
T-Rex...

All of these are in my own opinion. The 記事 is not about the actual quality of the songs, but もっと見る of their use in the show. A short note is included after the タイトル to note the main issue(s). "Done intentionally" means that the faults were acknowledged in the show.
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1.    Cell Block Tango - Poor song choice and offensive; done intentionally. The girls just found out that someone is in an abusive relationship. This was probably one of the worst songs they could have chosen to sing. As 発言しました in the show, it was によって a bunch of violent, crazy women who killed their significant...

Come on girls, do あなた believe in love?
'Cause I got something to say about it
And it goes something like this

[Chorus]
Don't go for 秒 best baby
Put your 愛 to the test
You know, あなた know, you've got to
Make him express how he feels
And maybe then you'll know your 愛 is real

[Verse I]
You don't need diamond rings または eighteen karat gold
Fancy cars that go very fast
You know they never last, no, no
What あなた need is a big strong hand
To lift あなた to your higher ground
Make あなた feel like a クイーン on a throne
Make him 愛 あなた till あなた can't come down

[Chorus]
Don't go for 秒 best baby
Put your 愛 to the...