Boss Sound Effects
file_2213_001: Intro (Sonic 1st)
file_2214_001: Taking Damage
file_2215_001: Taking 1st Damage (Sonic 1st)
file_2216_001: Taking 2nd Damage (Sonic 1st)
file_2217_001: Chaos Spear Begin (Sonic 2nd)
file_2219_001: Intro (Sonic 2nd)
file_2226_001: Taking 3rd Damage (Sonic 2nd)
file_2227_001: Taking 4th Damage (Sonic 2nd)
file_2228_001: Defeated (Sonic 2nd)
file_2231_001: Chaos Control Begin (Sonic 2nd)

file_86_001 seems to be a Sonic voice clip.

file_1567_001: "Not like this!"
It's weird that Shadow is the only character to talk in a full sentence when drowning, unlike Sonic, Knuckles and Rouge.
file_1559_001.wav is used when he does a Homing Attack in the Gamecube and PC versions while the file_1547_001.wav is used in the Dreamcast version when he does a Homing Attack.
file_1462_001.wav: Generic wait quote #1 / 2P Intro (Alternate Costume)
file_1468_001.wav: Generic wait quote #2
file_1577_001.wav: Selected (2P Mode)
file_1601_001.wav: Boss Defeated (Biolizard)
file_1603_001.wav: Boss Defeated (Finalhazard)
file_1899_001.wav and file_1900_001.wav: Idle Quotes (Final Chase)
file_1941_001.wav and file_1942_001.wav: Idle Quotes (White Jungle)
file_1937_001.wav and file_1938_001.wav: Idle Quotes (Radical Highway)
file_2042_001.wav and file_2043_001.wav: Idle Quotes (Sky Rail)

file_1503_001: Somersault
file_1505_001: Edge Grab
file_1507_001: Lose Balance
file_1509_001: Edge Grab 2
file_1511_001: Pick Up Item
file_1513_001: Throw Item
file_1517_001: Petting Chao (Chao garden)
file_1519_001: Special attack available (2P Mode only)
file_1521_001: Speed Up
file_1523_001: Chaos Spear
file_1525_001: 2P Chaos Control
file_1527_001.wav: 2P Stage intro
file_1529_001.wav: Victory (2P Mode)
file_1531_001.wav: Victory (2P Mode, Dreamcast version only)
file_1533_001.wav: 2P Stage intro (after winning the previous round)
file_1535_001.wav: 2P Stage intro (after losing the previous round)
file_1537_001: Light Dash Chargeup
file_1539_001: Light Dash Use
file_1541_001: Nice Trick
file_1543_001: Cool Trick
file_1545_001: Awesome Trick
file_1547_001: Jump Dash / Homing Attack
file_1549_001: Somersault combo finisher
file_1551_001: Shield Collect
file_1553_001: Power Sneakers Collect / Invincible Collect / Stage Clear
file_1555_001: Taking Damage
file_1559_001: Slamming into wall
file_1561_001: Captured by ghost/slime
file_1565_001: Death via hazard; death via enemy; death via combat
file_1567_001: Death via drown
file_1569_001: Death via fall
file_1571_001: Scared
file_1585_001: A Rank
file_1587_001: B Rank
file_1589_001: C Rank
file_1591_001: D Rank
file_1593_001: E Rank
file_1595_001: Boss Defeated (Hot Shot)
file_1597_001: Boss Defeated (Sonic 1st)
file_1599_001: Boss Defeated (Sonic 2nd)

Eggman's recap voice clips from 2490 to 2493 got mixed in with Shadow's recap voice clips

"im the coolest"