First Appearance: FFS #1
Original Universe: Prime/B/Prime Merger
FFS Age: 15-17
FFS II Age: 34
FFS III Age: 40

Species: Hedgehog
Skills: Super Speed

Level: 35
HP: 3700

Relationships:
Sally Acorn - Wife
Zone Hedgehog - Son
Amy Rose - Ex-Girlfriend

First Appearance: FFS #1
Original Universe: Prime
FFS Age: 12-14
FFS II Age: 31
FFS III Age: 37

Species: Fox
Skills: Nearly Invincible

Level: 300
HP: 9999

Relationships:
Amy Rose - Wife
Tami Prower - Daughter
Christi Prower - First Cousin
SJ Hedgehog - First Cousin, Once Removed
Haley Hedgehog - First Cousin, Once Removed
Tifa Hedgehog - First Cousin, Once Removed
S3 - First Cousin, Twice Removed

First Appearance: FFS #1
Original Universe: Prime/B Merger
FFS Age: 16-18
FFS II Age: 35
FFS III Age: 41

Species: Echidna
Skills: Hits like a truck

Level: 40
HP: 4000

Relationships:
Rouge the Bat - Ex-Girlfriend
Cream the Rabbit - Girlfriend
Knuckles the Echidna (A) - "Twin Sister"

First Appearance: FFS #4
Original Universe: Prime
FFS Age: ?
FFS II Age: ?
FFS III Age: ?

Species: Hedgehog infused with Chaos Energy
Skills: The Ultimate Lifeform

Level: 31
HP: 2200

Relationships:
Mina Mongoose - Girlfriend
Rouge the Bat - Girlfriend
Cream the Rabbit - Ex-Girlfriend

First Appearance: FFS #7
Original Universe: Prime
FFS Age: 17-19 (time travel)
FFS II Age: 19
FFS III Age: 25

Species: 1/2 Hedgehog, 1/2 Fox
Skills: None, Nerfbat took them away

Level: 14
HP: 1000

Relationships:
Christi Prower - Mother
Harry Hedgehog, Sr. - Father
Haley Hedgehog - "Twin Sister"
Tifa Hedgehog - Sister
Tails Prower - First Cousin, Once Removed
Tami Prower - Second Cousin
Tara Foxxe - Wife
Nova Foxxe - Sister-in-Law
S3 - Nephew

First Appearance: FFS #22
Original Universe: Prime
FFS Age: 14-16
FFS II Age: 33
FFS III Age: 39

Species: Mongoose
Skills: Super Speed

Level: 27
HP: 1700

Relationships:
Shadow the Hedgehog - Boyfriend
Rouge the Bat - Girlfriend

First Appearance: FFS #26
Original Universe: Prime
FFS Age: 10-12
FFS II Age: 29
FFS III Age: 35

Species: Hedgehog
Skills: Master of the Hammer

Level: 24
HP: 1200

Relationships:
Tails Prower - Husband
Tami Prower - Daughter
Sonic the Hedgehog - Ex-Boyfriend

First Appearance: FFS #29
Original Universe: Prime
FFS Age: 17-19
FFS II Age: 36
FFS III Age: 42

Species: Bat
Skills: Has a keen eye for priceless gems; skilled field nurse

Level: 33
HP: 2600

Relationships:
Knuckles the Echidna - Ex-Boyfriend
Shadow the Hedgehog - Boyfriend
Mina Mongoose - Girlfriend
Cream the Rabbit - Ex-Girlfriend

First Appearance: FFS #33
Original Universe: Prime
FFS Age: 15-17
FFS II Age: 34
FFS III Age: 40

Species: 1/2 Squirrel, 1/2 Chipmunk
Skills: Excellent Diplomat

Level: 26
HP: 1500

Relationships:
Sonic the Hedgehog - Husband
Zone Hedgehog - Son

First Appearance: FFS #39
Original Universe: Prime
FFS Age: 20-22 (time travel)
FFS II Age: 22
FFS III Age: 28

Species: Falcon
Skills: Stealth

Level: 40
HP: 4000

Relationships:
None

First Appearance: FFS #45
Original Universe: Prime/B Merger
FFS Age: Centuries
FFS II Age: Centuries
FFS III Age: Millenia (time travel)

Species: Shapeshifter
Skills: Channels negative emotions

Level: 500
HP: 9999

Relationships:
ECO - Sister
Haley Hedgehog - Fiancee
S3 - Son

First Appearance: FFS #59
Original Universe: Prime
FFS Age: 17-19 (time travel)
FFS II Age: 19
FFS III Age: 25

Species: 1/2 Fox, 1/2 Lynx
Skills: Stealth

Level: 26
HP: 1500

Relationships:
Cain the Fox - Father
SJ Hedgheog - Husband
Haley Hedgehog - Sister-in-Law
Tifa Hedgehog - Sister-in-Law
Christi Prower Hedgehog - Mother-in-Law
Harry Hedgehog - Father-in-Law
Nova Foxxe - "Twin Sister"
S3 - Nephew

First Appearance: FFS #60
Original Universe: Prime
FFS Age: ?
FFS II Age: ?
FFS III Age: ?

Species: Human
Skills: Vast Intellect

Level: ?
HP: ?

Relationships:
None

First Appearance: FFS #107
Original Universe: Prime
FFS Age: 2-4
FFS II Age: 21
FFS III Age: 27

Species: Reploid
Skills: Dance Champion, Doctor, Shopkeep, Pilot (after all, he doesn't need sleep)

Level: 50
HP: 4000

Relationships:
Many many failures
Various Reploid Recolors - Brothers

First Appearance: FFS II #153
Original Universe: Prime
FFS II Age: 22
FFS III Age: 28

Species: Human
Skills: Maniac Animator, Knows where the good bagel shop is

Level: 25
HP: 1400

Relationships:
?

First Appearance: FFS II #154
Final Appearance: FFS III #299 (de jure), FFS III #300 (de facto)
Original Universe: Prime
FFS II Age: 18
FFS III Age: 24

Species: Coyote
Skills: Maniacal Genius, Politics

Level: 25
HP: 1400

Relationships:
None

First Appearance: FFS II #161
Original Universe: Prime
FFS II Age: 36
FFS III Age: 42

Species: Hedgehog
Skills: Always able to lend an ear

Level: 70
HP: 7000

Relationships:
Christi Prower - Wife
SJ Hedgehog - Son
Haley Hedgehog - "Daughter"
Tifa Hedgehog - Daughter
Tara Foxxe - Daughter-in-Law
S3 - Grandson

First Appearance: FFS II #163
Original Universe: Prime
FFS II Age: 20
FFS III Age: 26

Species: Fox
Skills: Talent Scout

Level: 25
HP: 1400

Relationships:
None

First Appearance: FFS II #163
Original Universe: Prime
FFS II Age: 18
FFS III Age: 24

Species: Hedgehog infused with Fish DNA
Skills: Can breathe underwater

Level: 25
HP: 1400

Relationships:
None

First Appearance: FFS II #177
Original Universe: Prime
FFS II Age: Centuries
FFS III Age: Centuries

Species: Shapeshifter
Skills: Strong healer

Level: 400
HP: 9999

Relationships:
EVO - Brother
Haley Hedgehog - Sister-in-Law
S3 - Nephew

First Appearance: FFS II #186
Original Universe: A
FFS II Age: 17
FFS III Age: 23

Species: 1/2 Hedgehog, 1/2 Fox
Skills: Tinkering with Time

Level: 40
HP: 4000

Relationships:
Everyone from her own universe except Knuxie - Dead?
Harry Hedgehog - "Father"
Christi Prower - "Mother"
SJ Hedgehog - "Twin" Brother
Tifa Hedgehog - "Sister"
Tails Prower - "First Cousin, Once Removed"
Tami Prower - "Second Cousin"
Tara Foxxe - Sister-in-Law
EVO - Fiance
S3 - Son

First Appearance: FFS II #199
Original Universe: Prime
FFS II Age: 35
FFS III Age: 41

Species: Fox
Skills: ?

Level: 60
HP: 5900

Relationships:
Harry Hedgehog - Husband
SJ Hedgehog - Son
Haley Hedgehog - "Daughter"
Tifa Hedgehog - Daughter
Tails Prower - First Cousin
Tami Prower - First Cousin, Once Removed
Tara Foxxe - Daughter-in-Law
S3 - Grandson

First Appearance: FFS II #199
Original Universe: Prime
FFS II Age: 8
FFS III Age: 14

Species: 1/2 Hedgehog, 1/2 Fox
Skills: Pilot in training

Level: 6
HP: 100

Relationships:
Christi Prower - Mother
Harry Hedgehog, Sr. - Father
SJ Hedgehog - Brother
Haley Hedgehog - "Sister"
Tails Prower - First Cousin, Once Removed
Tami Prower - Second Cousin
Tara Foxxe - Sister-in-Law
S3 - Nephew

First Appearance: FFS II #199
Original Universe: Prime
FFS II Age: 25
FFS III Age: 31

Species: Rabbit
Skills: Situation diffusing

Level: 200
HP: 9999

Relationships:
Knuckles the Echidna - Boyfriend
Shadow the Hedgehog - Ex-Boyfriend
Rogue the Bat - Ex-Girlfriend
Mina Mongoose - Ex-Girlfriend

First Appearance: FFS II #202
Original Universe: Prime
FFS II Age: 14
FFS III Age: 20

Species: 1/2 Hedgehog, 1/2 Fox
Skills: Got her daddy's strength and her momma's hammer

Level: ?
HP: ?

Relationships:
Tails Prower - Father
Amy Rose - Mother
Christi Prower - First Cousin, Once Removed
SJ Hedgehog - Second Cousin
Haley Hedgehog - "Second Cousin"
Tifa Hedgehog - Second Cousin
Zone Hedgehog - Fiance
S3 - Second Cousin, Once Removed

First Appearance: FFS II #202
Original Universe: Prime
FFS II Age: 14
FFS III Age: 20

Species: 1/2 Hedgehog, 1/4 Squirrel, 1/4 Chipmunk
Skills: ?

Level: ?
HP: ?

Relationships:
Sonic the Hedgehog - Father
Sally Acorn - Mother
Tami Prower - Fiancee

First Appearance: FFS II #250
Original Universe: Prime
FFS II Age: 36
FFS III Age: 42

Species: Fox
Skills: ?

Level: ?
HP: ?

Relationships:
Tara Foxxe - Daughter
SJ Hedgehog - Son-in-Law

First Appearance: FFS III #257
Original Universe: B
FFS III Age: 23

Species: 1/2 Fox, 1/2 Lynx
Skills: Electronics

Level: ?
HP: ?

Relationships:
Tara Foxxe - "Twin Sister"
SJ Hedgehog - Brother-in-Law

First Appearance: FFS III #270
Original Universe: Prime
FFS III Age: Birth to Decades

Species: 1/2 Shapeshifter, 1/4 Hedgehog, 1/4 Fox
Skills: ?

Level: ?
HP: ?

Relationships:
EVO - Mother (bore the child)
Haley Hedgehog - Father (provided the seed)
SJ Hedgehog - Uncle
Tifa Hedgheog - Aunt
Tara Foxxe - Aunt
ECO - Aunt
Harry Hedgehog - Grandfather
Christi Prower - Grandmother
Tails Prower - First Cousin, Twice Removed

First Appearance: FFS III #282 (secretly), FFS III #288 (revealed)
Original Universe: A
FFS III Age: 41

Species: Echidna
Skills: Hits like a truck

Level: ?
HP: ?

Relationships:
Knuckles the Echidna (Prime) - "Twin Brother"

First Appearance: FFS III #300
Original Universe: Prime
FFS III Age: 14

Species: Cat
Skills: The power of fire

Level: ?
HP: ?

Relationships:
Silver the Hedgehog - Boyfriend

First Appearance: FFS III #300
Original Universe: Prime
FFS III Age: 14

Species: Hedgehog infused with Chaos Energy
Skills: Telekinesis

Level: ?
HP: ?

Relationships:
Blaze the Cat - Girlfriend