David Tennant did a podcast with James Corden. When asked if his children liked that he did voice acting on Trolls, James replied: “They love that I’m in Trolls, they like that I’m Peter Rabbit. Nothing has ever. ..nothing has ever stumped the Gruffalo, I don’t think. ‘Cause that’s… just, you know… a very … yeah: That’s lovely. And I think my youngest daughter is about to discover that quite soon.” It’s so nice that those two films still have a place in his heart and we loved hearing him mentioning it. The way he talks about it is worth listening to rather than reading it.
The quoted part starts around 00:08:52 here: david-tennant-does-a-podcast-with/everyone
The rest of the podcast is great as well and features a lot of David Tennant’s guests.