This is Tsuna (whose name is a reference to Watanabe no Tsuna rather than the KHR character), a Buneary/Mawile cross! He loves playing the hero but as a result tends to... see people that need rescuing when they don't actually need it.

Original Design by (c) http://CollyWobblies.deviantart.com
Art (c) galacticpink
PKMNation (c) http://PKMNation.deviantart.com
Pokemon (c) Nintendo