Done by the ever so lovely: http://seconddayofsilence.deviantart.com/
The conversation that happened to have made this comic happen

Gonzo: It was like 20 Celsius last week
Summer: What? IM from america we don't use Celsius remember?
Gonzo: Right, let me convert it... Alright its around 68 degrees Fahrenheit
Summer: Not bad its pretty nice!! It was like 90 here today
Gonzo: oh wonderful
Summer: Yeah we dont do the Celsius here
Gonzo: oh
Summer: PFFFFF IT SOUNDS LIKE A MEXICAN DANCE!! *poses*
Gonzo: *grabs maracas* ch ch chanada!
Summer: *dies*