Scratchin' Melodii - Dragon Funk battle scene:
https://www.youtube.com/watch?v=PO-sUMFGJtk#t=15s

SpongeBob neutral air attacks (seen in Melodii's first attack, which also references the series' signature trait of hammerspace prop summons; this is followed by a kick resembling Chun-Li's Spinning Bird Kick in the Street Fighter series, though its placement after two NASB references may suggest it to instead be a reference to Hugh Neutron's parody of the kick in the first game):
https://www.youtube.com/watch?v=wdw_kmjCEGk
https://www.youtube.com/watch?v=9pPAMmFbZY4
https://www.vgfacts.com/game/nickelodeonallstarbrawl/trivia-15909/

Sonic Eagle in Sonic Battle (seen in Pitaya's second attack):
https://x.com/SonicBattleOtd/status/1630659106083053590

Sonic Eagle in Project Melee:
https://pmunofficial.com/en/characters/sonic/

Lucy Loud bite in Nickelodeon All-Star Brawl (includes a tooth graphic resembling one seen at the end of Pitaya's second attack):
https://www.youtube.com/watch?v=XPT1_LwS2B0#t=76s

Garfield dab kick (seen in Melodii's second attack):
https://www.youtube.com/watch?v=fe-eTALunxg

Gerald down special (skating in a manner resembling Melodii's second attack):
https://www.youtube.com/watch?v=Rt6YA_LeQlw#t=24s

NASB-related content by LJ Lephem Star:
https://www.newgrounds.com/art/view/lj-lephemstar/ain-t-seen-nothin-ain-t-no-stoppin-now
https://x.com/LephemStar91/status/1467166015431880705