Suggestions by @connieblackwood

Sonic the Hedgehog (Sonic Underground)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Sonic the Hedgehog (OVA)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Sonic the Hedgehog (SatAM)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Sonic the Hedgehog (AoSTH)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Sonic the Hedgehog (StC)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Nicky the Hedgehog

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Sonic the Hedgehog (Classic)

as Blue Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Coconuts

as Red Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Grounder

as Green Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Scratch

as Red Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Fleetway Super Sonic

as Blonde Hair + Red Eyes in Characters' Hair/Eye Color Combinations

Super Sonic (SCU)

as Blonde Hair + Red Eyes in Characters' Hair/Eye Color Combinations

Super Sonic

as Blonde Hair + Red Eyes in Characters' Hair/Eye Color Combinations

Johnny Lightfoot

as Gray Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Porker Lewis

as Pink Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Tania the Hedgehog

as Blonde Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Ray the Flying Squirrel

as Blonde Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Mighty the Armadillo (StC)

as Red Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Mighty the Armadillo

as Red Hair + Brown Eyes in Characters' Hair/Eye Color Combinations

Charmy Bee (Sonic X)

as Black Hair + Orange Eyes in Characters' Hair/Eye Color Combinations