Phineas and Ferb Easter Egg - Hercules Singers

In the Chariot Race episode, when Perry is getting his mission briefing from his boss, who put the TV to show himself inside a famous statue, look at the vase Perry is hiding behind. You can see 2 of the 4 girls who sang in the Disney movie, Hercules! You can see the main one with her curly hair, and the short fat one.