On the left, 15-year-old David Krumholtz as Bernard the Elf in The Santa Clause.
On the right, 21-year-old David Krumholtz as teenaged Michael in 10 Things I Hate About You.

On the left, 15-year-old David Krumholtz as Bernard the Elf in The Santa Clause.

On the right, 21-year-old David Krumholtz as teenaged Michael in 10 Things I Hate About You.