Thurman Sanchez has a striking similarity to Jim Carrey's character Ace Ventura: Pet Detective, including hairstyle and facial features.
The squirrels move recreating Michael Jackson's choreographies of his famous videos, like Thriller, Bad, Beat it...
The Blue butterfly in the opening sequence is the same species as in another movie, Papillon (1973j: The Blue Morpf, morpfo menelaus.
Snoop Dogg voices a Doberman named "Snoop". This is a call-back to the music video for his debut album's first song, "Who Am I? (What's My Name?)", in which he turns into a Doberman.