I'm probably the only one just now watching these Halloween episodes near Christmas, so sorry if it's been mentioned before, but did anyone notice how Donnie only had
three incisors between his canine teeth after he became a vampire?? (visual aid:
https://www.youtube.com/watch?v=CcB1XndrXHw) All this time I thought he had a big gap, but this suggests he's actually missing a tooth. Weird.