Man Ray and the Dirty Bubble

Lemmy "Hip" Koopa and Iggy "Hop" Koopa (Super Mario Bros)

Scratch and Grounder (Sonic the Hedgehog)

Pon and Con (Kirby)

Ekans and Koffing (Pokemon)

Thaddeus and Thor (Phineas and Ferb)

Luca Benzi and Nicolò Benzi (Niki)