Marty and Mitzie Mulligan

Marty and Mitzie are a pair of siblings featured in A Fairly Odd Summer.

Official description
''Brother and sister Marty and Mitzie are two of a kind. Already victims of Vicky’s ‘babysitting’, getting caught up in Timmy’s Fairly Odd Summer can only be an improvement for these two. They’re good kids that are no strangers to getting in trouble, but this time they’ll need to help out Timmy and his fairies on this summer adventure!''